Home / 720,031.27-1,079,685.30-240,089.17

Finding the Fourth Proportional to 720,031.27, 1,079,685.30 and 240,089.17

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Solution

The fourth proportional to 720,031.27, 1,079,685.30 and 240,089.17 is: 360,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,031.27 : 1,079,685.30 = 240,089.17 : x
  2. Step 2: Convert to fraction form
    720,031.27/1,079,685.30 = 240,089.17/x
  3. Step 3: Cross multiply
    720,031.27x = 1,079,685.30 × 240,089.17
  4. Step 4: Simplify right side
    720,031.27x = 259,220,744,838.99
  5. Step 5: Solve for x
    x = 259,220,744,838.99/720,031.27
  6. Step 6: Final answer
    x = 360,013.18

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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.