Home / 716,807.45-1,074,608.53-479,425.61

Finding the Fourth Proportional to 716,807.45, 1,074,608.53 and 479,425.61

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Solution

The fourth proportional to 716,807.45, 1,074,608.53 and 479,425.61 is: 718,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,807.45 : 1,074,608.53 = 479,425.61 : x
  2. Step 2: Convert to fraction form
    716,807.45/1,074,608.53 = 479,425.61/x
  3. Step 3: Cross multiply
    716,807.45x = 1,074,608.53 × 479,425.61
  4. Step 4: Simplify right side
    716,807.45x = 515,194,850,006.45
  5. Step 5: Solve for x
    x = 515,194,850,006.45/716,807.45
  6. Step 6: Final answer
    x = 718,735.35

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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.