Home / 882,010.20-1,323,015.30-384,346.20

Finding the Fourth Proportional to 882,010.20, 1,323,015.30 and 384,346.20

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Solution

The fourth proportional to 882,010.20, 1,323,015.30 and 384,346.20 is: 576,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,010.20 : 1,323,015.30 = 384,346.20 : x
  2. Step 2: Convert to fraction form
    882,010.20/1,323,015.30 = 384,346.20/x
  3. Step 3: Cross multiply
    882,010.20x = 1,323,015.30 × 384,346.20
  4. Step 4: Simplify right side
    882,010.20x = 508,495,903,096.86
  5. Step 5: Solve for x
    x = 508,495,903,096.86/882,010.20
  6. Step 6: Final answer
    x = 576,519.30

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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.