Home / 715,214.12-1,073,759.34-479,611.40

Finding the Fourth Proportional to 715,214.12, 1,073,759.34 and 479,611.40

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Solution

The fourth proportional to 715,214.12, 1,073,759.34 and 479,611.40 is: 720,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,214.12 : 1,073,759.34 = 479,611.40 : x
  2. Step 2: Convert to fraction form
    715,214.12/1,073,759.34 = 479,611.40/x
  3. Step 3: Cross multiply
    715,214.12x = 1,073,759.34 × 479,611.40
  4. Step 4: Simplify right side
    715,214.12x = 514,987,220,320.48
  5. Step 5: Solve for x
    x = 514,987,220,320.48/715,214.12
  6. Step 6: Final answer
    x = 720,046.22

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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.