Home / 757,746.63-1,045,691.78-418,214.61

Finding the Fourth Proportional to 757,746.63, 1,045,691.78 and 418,214.61

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Solution

The fourth proportional to 757,746.63, 1,045,691.78 and 418,214.61 is: 577,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,746.63 : 1,045,691.78 = 418,214.61 : x
  2. Step 2: Convert to fraction form
    757,746.63/1,045,691.78 = 418,214.61/x
  3. Step 3: Cross multiply
    757,746.63x = 1,045,691.78 × 418,214.61
  4. Step 4: Simplify right side
    757,746.63x = 437,323,577,861.83
  5. Step 5: Solve for x
    x = 437,323,577,861.83/757,746.63
  6. Step 6: Final answer
    x = 577,136.95

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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.