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Finding the Fourth Proportional to 800,088.88, 1,103,602.41 and 513,154.48

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Solution

The fourth proportional to 800,088.88, 1,103,602.41 and 513,154.48 is: 707,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,088.88 : 1,103,602.41 = 513,154.48 : x
  2. Step 2: Convert to fraction form
    800,088.88/1,103,602.41 = 513,154.48/x
  3. Step 3: Cross multiply
    800,088.88x = 1,103,602.41 × 513,154.48
  4. Step 4: Simplify right side
    800,088.88x = 566,318,520,830.30
  5. Step 5: Solve for x
    x = 566,318,520,830.30/800,088.88
  6. Step 6: Final answer
    x = 707,819.51

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1.5x scale

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.