Home / 499,141.23-688,937.30-284,407.93

Finding the Fourth Proportional to 499,141.23, 688,937.30 and 284,407.93

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Solution

The fourth proportional to 499,141.23, 688,937.30 and 284,407.93 is: 392,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,141.23 : 688,937.30 = 284,407.93 : x
  2. Step 2: Convert to fraction form
    499,141.23/688,937.30 = 284,407.93/x
  3. Step 3: Cross multiply
    499,141.23x = 688,937.30 × 284,407.93
  4. Step 4: Simplify right side
    499,141.23x = 195,939,229,970.75
  5. Step 5: Solve for x
    x = 195,939,229,970.75/499,141.23
  6. Step 6: Final answer
    x = 392,552.69

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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.