Home / 947,149.60-1,420,724.40-547,584.70

Finding the Fourth Proportional to 947,149.60, 1,420,724.40 and 547,584.70

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Solution

The fourth proportional to 947,149.60, 1,420,724.40 and 547,584.70 is: 821,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,149.60 : 1,420,724.40 = 547,584.70 : x
  2. Step 2: Convert to fraction form
    947,149.60/1,420,724.40 = 547,584.70/x
  3. Step 3: Cross multiply
    947,149.60x = 1,420,724.40 × 547,584.70
  4. Step 4: Simplify right side
    947,149.60x = 777,966,944,356.68
  5. Step 5: Solve for x
    x = 777,966,944,356.68/947,149.60
  6. Step 6: Final answer
    x = 821,377.05

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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.