Home / 762,765.80-1,144,148.70-727,773.80

Finding the Fourth Proportional to 762,765.80, 1,144,148.70 and 727,773.80

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Solution

The fourth proportional to 762,765.80, 1,144,148.70 and 727,773.80 is: 1,091,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,765.80 : 1,144,148.70 = 727,773.80 : x
  2. Step 2: Convert to fraction form
    762,765.80/1,144,148.70 = 727,773.80/x
  3. Step 3: Cross multiply
    762,765.80x = 1,144,148.70 × 727,773.80
  4. Step 4: Simplify right side
    762,765.80x = 832,681,447,164.06
  5. Step 5: Solve for x
    x = 832,681,447,164.06/762,765.80
  6. Step 6: Final answer
    x = 1,091,660.70

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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.