Home / 720,552.34-1,080,847.54-315,536.17

Finding the Fourth Proportional to 720,552.34, 1,080,847.54 and 315,536.17

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Solution

The fourth proportional to 720,552.34, 1,080,847.54 and 315,536.17 is: 473,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,552.34 : 1,080,847.54 = 315,536.17 : x
  2. Step 2: Convert to fraction form
    720,552.34/1,080,847.54 = 315,536.17/x
  3. Step 3: Cross multiply
    720,552.34x = 1,080,847.54 × 315,536.17
  4. Step 4: Simplify right side
    720,552.34x = 341,046,498,311.12
  5. Step 5: Solve for x
    x = 341,046,498,311.12/720,552.34
  6. Step 6: Final answer
    x = 473,312.59

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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.