Home / 713,474.20-1,070,211.30-648,155.80

Finding the Fourth Proportional to 713,474.20, 1,070,211.30 and 648,155.80

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Solution

The fourth proportional to 713,474.20, 1,070,211.30 and 648,155.80 is: 972,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,474.20 : 1,070,211.30 = 648,155.80 : x
  2. Step 2: Convert to fraction form
    713,474.20/1,070,211.30 = 648,155.80/x
  3. Step 3: Cross multiply
    713,474.20x = 1,070,211.30 × 648,155.80
  4. Step 4: Simplify right side
    713,474.20x = 693,663,661,320.54
  5. Step 5: Solve for x
    x = 693,663,661,320.54/713,474.20
  6. Step 6: Final answer
    x = 972,233.70

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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.