Home / 742,948.98-1,025,260.65-403,419.66

Finding the Fourth Proportional to 742,948.98, 1,025,260.65 and 403,419.66

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Solution

The fourth proportional to 742,948.98, 1,025,260.65 and 403,419.66 is: 556,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,948.98 : 1,025,260.65 = 403,419.66 : x
  2. Step 2: Convert to fraction form
    742,948.98/1,025,260.65 = 403,419.66/x
  3. Step 3: Cross multiply
    742,948.98x = 1,025,260.65 × 403,419.66
  4. Step 4: Simplify right side
    742,948.98x = 413,610,302,834.38
  5. Step 5: Solve for x
    x = 413,610,302,834.38/742,948.98
  6. Step 6: Final answer
    x = 556,714.28

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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.