Home / 719,814.80-1,077,458.04-493,853.96

Finding the Fourth Proportional to 719,814.80, 1,077,458.04 and 493,853.96

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Solution

The fourth proportional to 719,814.80, 1,077,458.04 and 493,853.96 is: 739,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,814.80 : 1,077,458.04 = 493,853.96 : x
  2. Step 2: Convert to fraction form
    719,814.80/1,077,458.04 = 493,853.96/x
  3. Step 3: Cross multiply
    719,814.80x = 1,077,458.04 × 493,853.96
  4. Step 4: Simplify right side
    719,814.80x = 532,106,919,787.84
  5. Step 5: Solve for x
    x = 532,106,919,787.84/719,814.80
  6. Step 6: Final answer
    x = 739,227.53

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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.