Home / 966,337.80-1,449,010.87-511,174.70

Finding the Fourth Proportional to 966,337.80, 1,449,010.87 and 511,174.70

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Solution

The fourth proportional to 966,337.80, 1,449,010.87 and 511,174.70 is: 766,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,337.80 : 1,449,010.87 = 511,174.70 : x
  2. Step 2: Convert to fraction form
    966,337.80/1,449,010.87 = 511,174.70/x
  3. Step 3: Cross multiply
    966,337.80x = 1,449,010.87 × 511,174.70
  4. Step 4: Simplify right side
    966,337.80x = 740,697,696,768.99
  5. Step 5: Solve for x
    x = 740,697,696,768.99/966,337.80
  6. Step 6: Final answer
    x = 766,499.77

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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.