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Finding the Fourth Proportional to 882,801.20, 1,324,201.80 and 433,810.10

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Solution

The fourth proportional to 882,801.20, 1,324,201.80 and 433,810.10 is: 650,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,801.20 : 1,324,201.80 = 433,810.10 : x
  2. Step 2: Convert to fraction form
    882,801.20/1,324,201.80 = 433,810.10/x
  3. Step 3: Cross multiply
    882,801.20x = 1,324,201.80 × 433,810.10
  4. Step 4: Simplify right side
    882,801.20x = 574,452,115,278.18
  5. Step 5: Solve for x
    x = 574,452,115,278.18/882,801.20
  6. Step 6: Final answer
    x = 650,715.15

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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.