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Finding the Fourth Proportional to 882,800.20, 1,324,200.30 and 433,809.10

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Solution

The fourth proportional to 882,800.20, 1,324,200.30 and 433,809.10 is: 650,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,800.20 : 1,324,200.30 = 433,809.10 : x
  2. Step 2: Convert to fraction form
    882,800.20/1,324,200.30 = 433,809.10/x
  3. Step 3: Cross multiply
    882,800.20x = 1,324,200.30 × 433,809.10
  4. Step 4: Simplify right side
    882,800.20x = 574,450,140,362.73
  5. Step 5: Solve for x
    x = 574,450,140,362.73/882,800.20
  6. Step 6: Final answer
    x = 650,713.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.