Home / 726,966.73-1,003,190.56-404,666.11

Finding the Fourth Proportional to 726,966.73, 1,003,190.56 and 404,666.11

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Solution

The fourth proportional to 726,966.73, 1,003,190.56 and 404,666.11 is: 558,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,966.73 : 1,003,190.56 = 404,666.11 : x
  2. Step 2: Convert to fraction form
    726,966.73/1,003,190.56 = 404,666.11/x
  3. Step 3: Cross multiply
    726,966.73x = 1,003,190.56 × 404,666.11
  4. Step 4: Simplify right side
    726,966.73x = 405,957,221,503.92
  5. Step 5: Solve for x
    x = 405,957,221,503.92/726,966.73
  6. Step 6: Final answer
    x = 558,426.14

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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.