Home / 742,664.46-1,024,876.08-403,132.71

Finding the Fourth Proportional to 742,664.46, 1,024,876.08 and 403,132.71

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Solution

The fourth proportional to 742,664.46, 1,024,876.08 and 403,132.71 is: 556,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,664.46 : 1,024,876.08 = 403,132.71 : x
  2. Step 2: Convert to fraction form
    742,664.46/1,024,876.08 = 403,132.71/x
  3. Step 3: Cross multiply
    742,664.46x = 1,024,876.08 × 403,132.71
  4. Step 4: Simplify right side
    742,664.46x = 413,161,071,544.58
  5. Step 5: Solve for x
    x = 413,161,071,544.58/742,664.46
  6. Step 6: Final answer
    x = 556,322.66

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Double scale
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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.