Home / 702,248.20-1,051,590.30-386,348.20

Finding the Fourth Proportional to 702,248.20, 1,051,590.30 and 386,348.20

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Solution

The fourth proportional to 702,248.20, 1,051,590.30 and 386,348.20 is: 578,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,248.20 : 1,051,590.30 = 386,348.20 : x
  2. Step 2: Convert to fraction form
    702,248.20/1,051,590.30 = 386,348.20/x
  3. Step 3: Cross multiply
    702,248.20x = 1,051,590.30 × 386,348.20
  4. Step 4: Simplify right side
    702,248.20x = 406,280,019,542.46
  5. Step 5: Solve for x
    x = 406,280,019,542.46/702,248.20
  6. Step 6: Final answer
    x = 578,541.92

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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.