Home / 788,727.38-1,183,290.10-220,108.01

Finding the Fourth Proportional to 788,727.38, 1,183,290.10 and 220,108.01

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Solution

The fourth proportional to 788,727.38, 1,183,290.10 and 220,108.01 is: 330,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,727.38 : 1,183,290.10 = 220,108.01 : x
  2. Step 2: Convert to fraction form
    788,727.38/1,183,290.10 = 220,108.01/x
  3. Step 3: Cross multiply
    788,727.38x = 1,183,290.10 × 220,108.01
  4. Step 4: Simplify right side
    788,727.38x = 260,451,625,534.70
  5. Step 5: Solve for x
    x = 260,451,625,534.70/788,727.38
  6. Step 6: Final answer
    x = 330,217.55

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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.