Home / 998,801.15-1,499,267.89-430,462.73

Finding the Fourth Proportional to 998,801.15, 1,499,267.89 and 430,462.73

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Solution

The fourth proportional to 998,801.15, 1,499,267.89 and 430,462.73 is: 646,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,801.15 : 1,499,267.89 = 430,462.73 : x
  2. Step 2: Convert to fraction form
    998,801.15/1,499,267.89 = 430,462.73/x
  3. Step 3: Cross multiply
    998,801.15x = 1,499,267.89 × 430,462.73
  4. Step 4: Simplify right side
    998,801.15x = 645,378,940,358.24
  5. Step 5: Solve for x
    x = 645,378,940,358.24/998,801.15
  6. Step 6: Final answer
    x = 646,153.58

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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.