Home / 719,815.80-1,077,459.54-493,854.96

Finding the Fourth Proportional to 719,815.80, 1,077,459.54 and 493,854.96

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Solution

The fourth proportional to 719,815.80, 1,077,459.54 and 493,854.96 is: 739,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,815.80 : 1,077,459.54 = 493,854.96 : x
  2. Step 2: Convert to fraction form
    719,815.80/1,077,459.54 = 493,854.96/x
  3. Step 3: Cross multiply
    719,815.80x = 1,077,459.54 × 493,854.96
  4. Step 4: Simplify right side
    719,815.80x = 532,108,738,028.32
  5. Step 5: Solve for x
    x = 532,108,738,028.32/719,815.80
  6. Step 6: Final answer
    x = 739,229.03

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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.