Home / 798,458.40-1,198,562.40-499,276.80

Finding the Fourth Proportional to 798,458.40, 1,198,562.40 and 499,276.80

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Solution

The fourth proportional to 798,458.40, 1,198,562.40 and 499,276.80 is: 749,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,458.40 : 1,198,562.40 = 499,276.80 : x
  2. Step 2: Convert to fraction form
    798,458.40/1,198,562.40 = 499,276.80/x
  3. Step 3: Cross multiply
    798,458.40x = 1,198,562.40 × 499,276.80
  4. Step 4: Simplify right side
    798,458.40x = 598,414,399,672.32
  5. Step 5: Solve for x
    x = 598,414,399,672.32/798,458.40
  6. Step 6: Final answer
    x = 749,462.21

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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.