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Finding the Fourth Proportional to 720,604.04, 1,080,538.83 and 240,659.20

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Solution

The fourth proportional to 720,604.04, 1,080,538.83 and 240,659.20 is: 360,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,604.04 : 1,080,538.83 = 240,659.20 : x
  2. Step 2: Convert to fraction form
    720,604.04/1,080,538.83 = 240,659.20/x
  3. Step 3: Cross multiply
    720,604.04x = 1,080,538.83 × 240,659.20
  4. Step 4: Simplify right side
    720,604.04x = 260,041,603,790.75
  5. Step 5: Solve for x
    x = 260,041,603,790.75/720,604.04
  6. Step 6: Final answer
    x = 360,866.15

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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.