Home / 720,631.15-1,080,991.31-240,902.12

Finding the Fourth Proportional to 720,631.15, 1,080,991.31 and 240,902.12

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Solution

The fourth proportional to 720,631.15, 1,080,991.31 and 240,902.12 is: 361,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,631.15 : 1,080,991.31 = 240,902.12 : x
  2. Step 2: Convert to fraction form
    720,631.15/1,080,991.31 = 240,902.12/x
  3. Step 3: Cross multiply
    720,631.15x = 1,080,991.31 × 240,902.12
  4. Step 4: Simplify right side
    720,631.15x = 260,413,098,280.58
  5. Step 5: Solve for x
    x = 260,413,098,280.58/720,631.15
  6. Step 6: Final answer
    x = 361,368.08

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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.