Home / 764,517.60-1,055,180.52-506,397.60

Finding the Fourth Proportional to 764,517.60, 1,055,180.52 and 506,397.60

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Solution

The fourth proportional to 764,517.60, 1,055,180.52 and 506,397.60 is: 698,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,517.60 : 1,055,180.52 = 506,397.60 : x
  2. Step 2: Convert to fraction form
    764,517.60/1,055,180.52 = 506,397.60/x
  3. Step 3: Cross multiply
    764,517.60x = 1,055,180.52 × 506,397.60
  4. Step 4: Simplify right side
    764,517.60x = 534,340,882,894.75
  5. Step 5: Solve for x
    x = 534,340,882,894.75/764,517.60
  6. Step 6: Final answer
    x = 698,925.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.