Home / 787,532.20-1,179,548.70-647,564.20

Finding the Fourth Proportional to 787,532.20, 1,179,548.70 and 647,564.20

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Solution

The fourth proportional to 787,532.20, 1,179,548.70 and 647,564.20 is: 969,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,532.20 : 1,179,548.70 = 647,564.20 : x
  2. Step 2: Convert to fraction form
    787,532.20/1,179,548.70 = 647,564.20/x
  3. Step 3: Cross multiply
    787,532.20x = 1,179,548.70 × 647,564.20
  4. Step 4: Simplify right side
    787,532.20x = 763,833,510,276.54
  5. Step 5: Solve for x
    x = 763,833,510,276.54/787,532.20
  6. Step 6: Final answer
    x = 969,907.66

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1.5x scale

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.