Home / 726,374.40-1,091,894.40-517,459.20

Finding the Fourth Proportional to 726,374.40, 1,091,894.40 and 517,459.20

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Solution

The fourth proportional to 726,374.40, 1,091,894.40 and 517,459.20 is: 777,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,374.40 : 1,091,894.40 = 517,459.20 : x
  2. Step 2: Convert to fraction form
    726,374.40/1,091,894.40 = 517,459.20/x
  3. Step 3: Cross multiply
    726,374.40x = 1,091,894.40 × 517,459.20
  4. Step 4: Simplify right side
    726,374.40x = 565,010,802,708.48
  5. Step 5: Solve for x
    x = 565,010,802,708.48/726,374.40
  6. Step 6: Final answer
    x = 777,850.65

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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.