Home / 838,231.46-1,156,727.31-475,633.70

Finding the Fourth Proportional to 838,231.46, 1,156,727.31 and 475,633.70

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Solution

The fourth proportional to 838,231.46, 1,156,727.31 and 475,633.70 is: 656,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,231.46 : 1,156,727.31 = 475,633.70 : x
  2. Step 2: Convert to fraction form
    838,231.46/1,156,727.31 = 475,633.70/x
  3. Step 3: Cross multiply
    838,231.46x = 1,156,727.31 × 475,633.70
  4. Step 4: Simplify right side
    838,231.46x = 550,178,485,201.24
  5. Step 5: Solve for x
    x = 550,178,485,201.24/838,231.46
  6. Step 6: Final answer
    x = 656,356.28

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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.