Home / 998,592.10-1,498,082.55-429,972.10

Finding the Fourth Proportional to 998,592.10, 1,498,082.55 and 429,972.10

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Solution

The fourth proportional to 998,592.10, 1,498,082.55 and 429,972.10 is: 645,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,592.10 : 1,498,082.55 = 429,972.10 : x
  2. Step 2: Convert to fraction form
    998,592.10/1,498,082.55 = 429,972.10/x
  3. Step 3: Cross multiply
    998,592.10x = 1,498,082.55 × 429,972.10
  4. Step 4: Simplify right side
    998,592.10x = 644,133,699,996.86
  5. Step 5: Solve for x
    x = 644,133,699,996.86/998,592.10
  6. Step 6: Final answer
    x = 645,041.85

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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.