Home / 708,397.20-1,062,595.80-287,974.80

Finding the Fourth Proportional to 708,397.20, 1,062,595.80 and 287,974.80

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Solution

The fourth proportional to 708,397.20, 1,062,595.80 and 287,974.80 is: 431,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,397.20 : 1,062,595.80 = 287,974.80 : x
  2. Step 2: Convert to fraction form
    708,397.20/1,062,595.80 = 287,974.80/x
  3. Step 3: Cross multiply
    708,397.20x = 1,062,595.80 × 287,974.80
  4. Step 4: Simplify right side
    708,397.20x = 306,000,812,985.84
  5. Step 5: Solve for x
    x = 306,000,812,985.84/708,397.20
  6. Step 6: Final answer
    x = 431,962.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.