Home / 386,543.30-579,814.95-268,445.30

Finding the Fourth Proportional to 386,543.30, 579,814.95 and 268,445.30

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Solution

The fourth proportional to 386,543.30, 579,814.95 and 268,445.30 is: 402,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,543.30 : 579,814.95 = 268,445.30 : x
  2. Step 2: Convert to fraction form
    386,543.30/579,814.95 = 268,445.30/x
  3. Step 3: Cross multiply
    386,543.30x = 579,814.95 × 268,445.30
  4. Step 4: Simplify right side
    386,543.30x = 155,648,598,197.24
  5. Step 5: Solve for x
    x = 155,648,598,197.24/386,543.30
  6. Step 6: Final answer
    x = 402,667.95

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Similar ratio
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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.