Home / 725,749.90-1,001,569.05-403,465.38

Finding the Fourth Proportional to 725,749.90, 1,001,569.05 and 403,465.38

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Solution

The fourth proportional to 725,749.90, 1,001,569.05 and 403,465.38 is: 556,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,749.90 : 1,001,569.05 = 403,465.38 : x
  2. Step 2: Convert to fraction form
    725,749.90/1,001,569.05 = 403,465.38/x
  3. Step 3: Cross multiply
    725,749.90x = 1,001,569.05 × 403,465.38
  4. Step 4: Simplify right side
    725,749.90x = 404,098,437,354.49
  5. Step 5: Solve for x
    x = 404,098,437,354.49/725,749.90
  6. Step 6: Final answer
    x = 556,801.23

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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.