Home / 958,909.76-1,439,248.08-485,930.24

Finding the Fourth Proportional to 958,909.76, 1,439,248.08 and 485,930.24

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Solution

The fourth proportional to 958,909.76, 1,439,248.08 and 485,930.24 is: 729,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,909.76 : 1,439,248.08 = 485,930.24 : x
  2. Step 2: Convert to fraction form
    958,909.76/1,439,248.08 = 485,930.24/x
  3. Step 3: Cross multiply
    958,909.76x = 1,439,248.08 × 485,930.24
  4. Step 4: Simplify right side
    958,909.76x = 699,374,164,933.94
  5. Step 5: Solve for x
    x = 699,374,164,933.94/958,909.76
  6. Step 6: Final answer
    x = 729,343.05

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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.