Home / 495,346.95-683,701.29-280,613.61

Finding the Fourth Proportional to 495,346.95, 683,701.29 and 280,613.61

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Solution

The fourth proportional to 495,346.95, 683,701.29 and 280,613.61 is: 387,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,346.95 : 683,701.29 = 280,613.61 : x
  2. Step 2: Convert to fraction form
    495,346.95/683,701.29 = 280,613.61/x
  3. Step 3: Cross multiply
    495,346.95x = 683,701.29 × 280,613.61
  4. Step 4: Simplify right side
    495,346.95x = 191,855,887,148.56
  5. Step 5: Solve for x
    x = 191,855,887,148.56/495,346.95
  6. Step 6: Final answer
    x = 387,316.18

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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.