Home / 961,663.60-1,441,221.20-511,415.04

Finding the Fourth Proportional to 961,663.60, 1,441,221.20 and 511,415.04

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Solution

The fourth proportional to 961,663.60, 1,441,221.20 and 511,415.04 is: 766,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,663.60 : 1,441,221.20 = 511,415.04 : x
  2. Step 2: Convert to fraction form
    961,663.60/1,441,221.20 = 511,415.04/x
  3. Step 3: Cross multiply
    961,663.60x = 1,441,221.20 × 511,415.04
  4. Step 4: Simplify right side
    961,663.60x = 737,062,197,646.85
  5. Step 5: Solve for x
    x = 737,062,197,646.85/961,663.60
  6. Step 6: Final answer
    x = 766,444.94

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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.