Home / 998,024.70-1,497,231.45-429,404.70

Finding the Fourth Proportional to 998,024.70, 1,497,231.45 and 429,404.70

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Solution

The fourth proportional to 998,024.70, 1,497,231.45 and 429,404.70 is: 644,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,024.70 : 1,497,231.45 = 429,404.70 : x
  2. Step 2: Convert to fraction form
    998,024.70/1,497,231.45 = 429,404.70/x
  3. Step 3: Cross multiply
    998,024.70x = 1,497,231.45 × 429,404.70
  4. Step 4: Simplify right side
    998,024.70x = 642,918,221,617.82
  5. Step 5: Solve for x
    x = 642,918,221,617.82/998,024.70
  6. Step 6: Final answer
    x = 644,190.69

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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.