Home / 764,013.60-1,145,264.40-337,780.80

Finding the Fourth Proportional to 764,013.60, 1,145,264.40 and 337,780.80

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Solution

The fourth proportional to 764,013.60, 1,145,264.40 and 337,780.80 is: 506,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,013.60 : 1,145,264.40 = 337,780.80 : x
  2. Step 2: Convert to fraction form
    764,013.60/1,145,264.40 = 337,780.80/x
  3. Step 3: Cross multiply
    764,013.60x = 1,145,264.40 × 337,780.80
  4. Step 4: Simplify right side
    764,013.60x = 386,848,325,243.52
  5. Step 5: Solve for x
    x = 386,848,325,243.52/764,013.60
  6. Step 6: Final answer
    x = 506,336.96

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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.