Home / 767,794.40-1,151,691.60-711,807.20

Finding the Fourth Proportional to 767,794.40, 1,151,691.60 and 711,807.20

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Solution

The fourth proportional to 767,794.40, 1,151,691.60 and 711,807.20 is: 1,067,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,794.40 : 1,151,691.60 = 711,807.20 : x
  2. Step 2: Convert to fraction form
    767,794.40/1,151,691.60 = 711,807.20/x
  3. Step 3: Cross multiply
    767,794.40x = 1,151,691.60 × 711,807.20
  4. Step 4: Simplify right side
    767,794.40x = 819,782,373,059.52
  5. Step 5: Solve for x
    x = 819,782,373,059.52/767,794.40
  6. Step 6: Final answer
    x = 1,067,710.80

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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.