Home / 726,774.78-1,002,948.15-404,477.19

Finding the Fourth Proportional to 726,774.78, 1,002,948.15 and 404,477.19

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Solution

The fourth proportional to 726,774.78, 1,002,948.15 and 404,477.19 is: 558,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,774.78 : 1,002,948.15 = 404,477.19 : x
  2. Step 2: Convert to fraction form
    726,774.78/1,002,948.15 = 404,477.19/x
  3. Step 3: Cross multiply
    726,774.78x = 1,002,948.15 × 404,477.19
  4. Step 4: Simplify right side
    726,774.78x = 405,669,649,427.70
  5. Step 5: Solve for x
    x = 405,669,649,427.70/726,774.78
  6. Step 6: Final answer
    x = 558,177.94

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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.