Home / 753,758.39-1,039,719.96-495,664.98

Finding the Fourth Proportional to 753,758.39, 1,039,719.96 and 495,664.98

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Solution

The fourth proportional to 753,758.39, 1,039,719.96 and 495,664.98 is: 683,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,758.39 : 1,039,719.96 = 495,664.98 : x
  2. Step 2: Convert to fraction form
    753,758.39/1,039,719.96 = 495,664.98/x
  3. Step 3: Cross multiply
    753,758.39x = 1,039,719.96 × 495,664.98
  4. Step 4: Simplify right side
    753,758.39x = 515,352,773,179.00
  5. Step 5: Solve for x
    x = 515,352,773,179.00/753,758.39
  6. Step 6: Final answer
    x = 683,710.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.