Home / 915,502.50-1,373,254.02-284,416.38

Finding the Fourth Proportional to 915,502.50, 1,373,254.02 and 284,416.38

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Solution

The fourth proportional to 915,502.50, 1,373,254.02 and 284,416.38 is: 426,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,502.50 : 1,373,254.02 = 284,416.38 : x
  2. Step 2: Convert to fraction form
    915,502.50/1,373,254.02 = 284,416.38/x
  3. Step 3: Cross multiply
    915,502.50x = 1,373,254.02 × 284,416.38
  4. Step 4: Simplify right side
    915,502.50x = 390,575,937,188.85
  5. Step 5: Solve for x
    x = 390,575,937,188.85/915,502.50
  6. Step 6: Final answer
    x = 426,624.65

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Double scale
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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.