Home / 998,424.30-1,497,855.15-399,234.90

Finding the Fourth Proportional to 998,424.30, 1,497,855.15 and 399,234.90

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Solution

The fourth proportional to 998,424.30, 1,497,855.15 and 399,234.90 is: 598,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,424.30 : 1,497,855.15 = 399,234.90 : x
  2. Step 2: Convert to fraction form
    998,424.30/1,497,855.15 = 399,234.90/x
  3. Step 3: Cross multiply
    998,424.30x = 1,497,855.15 × 399,234.90
  4. Step 4: Simplify right side
    998,424.30x = 597,996,051,024.74
  5. Step 5: Solve for x
    x = 597,996,051,024.74/998,424.30
  6. Step 6: Final answer
    x = 598,939.80

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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.