Home / 506,508.04-698,934.12-280,148.68

Finding the Fourth Proportional to 506,508.04, 698,934.12 and 280,148.68

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Solution

The fourth proportional to 506,508.04, 698,934.12 and 280,148.68 is: 386,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,508.04 : 698,934.12 = 280,148.68 : x
  2. Step 2: Convert to fraction form
    506,508.04/698,934.12 = 280,148.68/x
  3. Step 3: Cross multiply
    506,508.04x = 698,934.12 × 280,148.68
  4. Step 4: Simplify right side
    506,508.04x = 195,805,471,124.96
  5. Step 5: Solve for x
    x = 195,805,471,124.96/506,508.04
  6. Step 6: Final answer
    x = 386,579.20

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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.