Home / 495,366.12-683,613.38-280,500.52

Finding the Fourth Proportional to 495,366.12, 683,613.38 and 280,500.52

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Solution

The fourth proportional to 495,366.12, 683,613.38 and 280,500.52 is: 387,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,366.12 : 683,613.38 = 280,500.52 : x
  2. Step 2: Convert to fraction form
    495,366.12/683,613.38 = 280,500.52/x
  3. Step 3: Cross multiply
    495,366.12x = 683,613.38 × 280,500.52
  4. Step 4: Simplify right side
    495,366.12x = 191,753,908,568.96
  5. Step 5: Solve for x
    x = 191,753,908,568.96/495,366.12
  6. Step 6: Final answer
    x = 387,095.32

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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.