Home / 862,721.60-1,295,248.80-547,793.60

Finding the Fourth Proportional to 862,721.60, 1,295,248.80 and 547,793.60

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Solution

The fourth proportional to 862,721.60, 1,295,248.80 and 547,793.60 is: 822,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,721.60 : 1,295,248.80 = 547,793.60 : x
  2. Step 2: Convert to fraction form
    862,721.60/1,295,248.80 = 547,793.60/x
  3. Step 3: Cross multiply
    862,721.60x = 1,295,248.80 × 547,793.60
  4. Step 4: Simplify right side
    862,721.60x = 709,529,003,047.68
  5. Step 5: Solve for x
    x = 709,529,003,047.68/862,721.60
  6. Step 6: Final answer
    x = 822,431.02

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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.