Home / 740,815.40-1,109,910.90-627,966.20

Finding the Fourth Proportional to 740,815.40, 1,109,910.90 and 627,966.20

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Solution

The fourth proportional to 740,815.40, 1,109,910.90 and 627,966.20 is: 940,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,815.40 : 1,109,910.90 = 627,966.20 : x
  2. Step 2: Convert to fraction form
    740,815.40/1,109,910.90 = 627,966.20/x
  3. Step 3: Cross multiply
    740,815.40x = 1,109,910.90 × 627,966.20
  4. Step 4: Simplify right side
    740,815.40x = 696,986,530,211.58
  5. Step 5: Solve for x
    x = 696,986,530,211.58/740,815.40
  6. Step 6: Final answer
    x = 940,836.99

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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.