Home / 717,149.80-1,075,724.70-218,513.80

Finding the Fourth Proportional to 717,149.80, 1,075,724.70 and 218,513.80

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Solution

The fourth proportional to 717,149.80, 1,075,724.70 and 218,513.80 is: 327,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,149.80 : 1,075,724.70 = 218,513.80 : x
  2. Step 2: Convert to fraction form
    717,149.80/1,075,724.70 = 218,513.80/x
  3. Step 3: Cross multiply
    717,149.80x = 1,075,724.70 × 218,513.80
  4. Step 4: Simplify right side
    717,149.80x = 235,060,691,950.86
  5. Step 5: Solve for x
    x = 235,060,691,950.86/717,149.80
  6. Step 6: Final answer
    x = 327,770.70

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Similar ratio
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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.