Home / 739,923.40-1,109,885.10-550,966.60

Finding the Fourth Proportional to 739,923.40, 1,109,885.10 and 550,966.60

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Solution

The fourth proportional to 739,923.40, 1,109,885.10 and 550,966.60 is: 826,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,923.40 : 1,109,885.10 = 550,966.60 : x
  2. Step 2: Convert to fraction form
    739,923.40/1,109,885.10 = 550,966.60/x
  3. Step 3: Cross multiply
    739,923.40x = 1,109,885.10 × 550,966.60
  4. Step 4: Simplify right side
    739,923.40x = 611,509,619,937.66
  5. Step 5: Solve for x
    x = 611,509,619,937.66/739,923.40
  6. Step 6: Final answer
    x = 826,449.90

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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.