Home / 728,052.40-1,092,078.60-651,944.80

Finding the Fourth Proportional to 728,052.40, 1,092,078.60 and 651,944.80

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Solution

The fourth proportional to 728,052.40, 1,092,078.60 and 651,944.80 is: 977,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,052.40 : 1,092,078.60 = 651,944.80 : x
  2. Step 2: Convert to fraction form
    728,052.40/1,092,078.60 = 651,944.80/x
  3. Step 3: Cross multiply
    728,052.40x = 1,092,078.60 × 651,944.80
  4. Step 4: Simplify right side
    728,052.40x = 711,974,964,461.28
  5. Step 5: Solve for x
    x = 711,974,964,461.28/728,052.40
  6. Step 6: Final answer
    x = 977,917.20

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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.