Home / 966,339.80-1,449,013.86-511,176.70

Finding the Fourth Proportional to 966,339.80, 1,449,013.86 and 511,176.70

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Solution

The fourth proportional to 966,339.80, 1,449,013.86 and 511,176.70 is: 766,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,339.80 : 1,449,013.86 = 511,176.70 : x
  2. Step 2: Convert to fraction form
    966,339.80/1,449,013.86 = 511,176.70/x
  3. Step 3: Cross multiply
    966,339.80x = 1,449,013.86 × 511,176.70
  4. Step 4: Simplify right side
    966,339.80x = 740,702,123,209.06
  5. Step 5: Solve for x
    x = 740,702,123,209.06/966,339.80
  6. Step 6: Final answer
    x = 766,502.76

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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.