Home / 758,542.96-1,046,700.12-418,990.96

Finding the Fourth Proportional to 758,542.96, 1,046,700.12 and 418,990.96

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Solution

The fourth proportional to 758,542.96, 1,046,700.12 and 418,990.96 is: 578,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,542.96 : 1,046,700.12 = 418,990.96 : x
  2. Step 2: Convert to fraction form
    758,542.96/1,046,700.12 = 418,990.96/x
  3. Step 3: Cross multiply
    758,542.96x = 1,046,700.12 × 418,990.96
  4. Step 4: Simplify right side
    758,542.96x = 438,557,888,110.92
  5. Step 5: Solve for x
    x = 438,557,888,110.92/758,542.96
  6. Step 6: Final answer
    x = 578,158.27

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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.