Home / 915,841.84-1,263,842.92-507,877.88

Finding the Fourth Proportional to 915,841.84, 1,263,842.92 and 507,877.88

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Solution

The fourth proportional to 915,841.84, 1,263,842.92 and 507,877.88 is: 700,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,841.84 : 1,263,842.92 = 507,877.88 : x
  2. Step 2: Convert to fraction form
    915,841.84/1,263,842.92 = 507,877.88/x
  3. Step 3: Cross multiply
    915,841.84x = 1,263,842.92 × 507,877.88
  4. Step 4: Simplify right side
    915,841.84x = 641,877,862,862.61
  5. Step 5: Solve for x
    x = 641,877,862,862.61/915,841.84
  6. Step 6: Final answer
    x = 700,861.04

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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.