Home / 720,449.64-1,080,551.88-240,623.04

Finding the Fourth Proportional to 720,449.64, 1,080,551.88 and 240,623.04

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Solution

The fourth proportional to 720,449.64, 1,080,551.88 and 240,623.04 is: 360,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,449.64 : 1,080,551.88 = 240,623.04 : x
  2. Step 2: Convert to fraction form
    720,449.64/1,080,551.88 = 240,623.04/x
  3. Step 3: Cross multiply
    720,449.64x = 1,080,551.88 × 240,623.04
  4. Step 4: Simplify right side
    720,449.64x = 260,005,678,243.32
  5. Step 5: Solve for x
    x = 260,005,678,243.32/720,449.64
  6. Step 6: Final answer
    x = 360,893.62

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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.