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Finding the Fourth Proportional to 888,001.70, 1,330,909.05 and 603,691.70

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Solution

The fourth proportional to 888,001.70, 1,330,909.05 and 603,691.70 is: 904,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,001.70 : 1,330,909.05 = 603,691.70 : x
  2. Step 2: Convert to fraction form
    888,001.70/1,330,909.05 = 603,691.70/x
  3. Step 3: Cross multiply
    888,001.70x = 1,330,909.05 × 603,691.70
  4. Step 4: Simplify right side
    888,001.70x = 803,458,746,939.89
  5. Step 5: Solve for x
    x = 803,458,746,939.89/888,001.70
  6. Step 6: Final answer
    x = 904,794.15

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1.5x scale

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.