Home / 742,676.52-1,024,892.64-403,144.68

Finding the Fourth Proportional to 742,676.52, 1,024,892.64 and 403,144.68

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Solution

The fourth proportional to 742,676.52, 1,024,892.64 and 403,144.68 is: 556,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,676.52 : 1,024,892.64 = 403,144.68 : x
  2. Step 2: Convert to fraction form
    742,676.52/1,024,892.64 = 403,144.68/x
  3. Step 3: Cross multiply
    742,676.52x = 1,024,892.64 × 403,144.68
  4. Step 4: Simplify right side
    742,676.52x = 413,180,015,387.16
  5. Step 5: Solve for x
    x = 413,180,015,387.16/742,676.52
  6. Step 6: Final answer
    x = 556,339.14

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.