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Finding the Fourth Proportional to 888,543.93, 1,225,801.08 and 520,834.62

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Solution

The fourth proportional to 888,543.93, 1,225,801.08 and 520,834.62 is: 718,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,543.93 : 1,225,801.08 = 520,834.62 : x
  2. Step 2: Convert to fraction form
    888,543.93/1,225,801.08 = 520,834.62/x
  3. Step 3: Cross multiply
    888,543.93x = 1,225,801.08 × 520,834.62
  4. Step 4: Simplify right side
    888,543.93x = 638,439,639,697.39
  5. Step 5: Solve for x
    x = 638,439,639,697.39/888,543.93
  6. Step 6: Final answer
    x = 718,523.44

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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.