Home / 791,999.20-1,187,998.80-493,400.80

Finding the Fourth Proportional to 791,999.20, 1,187,998.80 and 493,400.80

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Solution

The fourth proportional to 791,999.20, 1,187,998.80 and 493,400.80 is: 740,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,999.20 : 1,187,998.80 = 493,400.80 : x
  2. Step 2: Convert to fraction form
    791,999.20/1,187,998.80 = 493,400.80/x
  3. Step 3: Cross multiply
    791,999.20x = 1,187,998.80 × 493,400.80
  4. Step 4: Simplify right side
    791,999.20x = 586,159,558,319.04
  5. Step 5: Solve for x
    x = 586,159,558,319.04/791,999.20
  6. Step 6: Final answer
    x = 740,101.20

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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.