Home / 998,133.17-1,498,265.30-429,795.65

Finding the Fourth Proportional to 998,133.17, 1,498,265.30 and 429,795.65

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Solution

The fourth proportional to 998,133.17, 1,498,265.30 and 429,795.65 is: 645,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,133.17 : 1,498,265.30 = 429,795.65 : x
  2. Step 2: Convert to fraction form
    998,133.17/1,498,265.30 = 429,795.65/x
  3. Step 3: Cross multiply
    998,133.17x = 1,498,265.30 × 429,795.65
  4. Step 4: Simplify right side
    998,133.17x = 643,947,913,306.10
  5. Step 5: Solve for x
    x = 643,947,913,306.10/998,133.17
  6. Step 6: Final answer
    x = 645,152.31

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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.