Home / 758,652.80-1,046,962.02-419,142.92

Finding the Fourth Proportional to 758,652.80, 1,046,962.02 and 419,142.92

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Solution

The fourth proportional to 758,652.80, 1,046,962.02 and 419,142.92 is: 578,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,652.80 : 1,046,962.02 = 419,142.92 : x
  2. Step 2: Convert to fraction form
    758,652.80/1,046,962.02 = 419,142.92/x
  3. Step 3: Cross multiply
    758,652.80x = 1,046,962.02 × 419,142.92
  4. Step 4: Simplify right side
    758,652.80x = 438,826,718,191.90
  5. Step 5: Solve for x
    x = 438,826,718,191.90/758,652.80
  6. Step 6: Final answer
    x = 578,428.92

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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.