Home / 486,591.32-671,553.14-404,775.15

Finding the Fourth Proportional to 486,591.32, 671,553.14 and 404,775.15

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Solution

The fourth proportional to 486,591.32, 671,553.14 and 404,775.15 is: 558,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,591.32 : 671,553.14 = 404,775.15 : x
  2. Step 2: Convert to fraction form
    486,591.32/671,553.14 = 404,775.15/x
  3. Step 3: Cross multiply
    486,591.32x = 671,553.14 × 404,775.15
  4. Step 4: Simplify right side
    486,591.32x = 271,828,022,976.47
  5. Step 5: Solve for x
    x = 271,828,022,976.47/486,591.32
  6. Step 6: Final answer
    x = 558,637.22

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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.