Home / 667,798.34-1,002,026.36-312,751.04

Finding the Fourth Proportional to 667,798.34, 1,002,026.36 and 312,751.04

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Solution

The fourth proportional to 667,798.34, 1,002,026.36 and 312,751.04 is: 469,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,798.34 : 1,002,026.36 = 312,751.04 : x
  2. Step 2: Convert to fraction form
    667,798.34/1,002,026.36 = 312,751.04/x
  3. Step 3: Cross multiply
    667,798.34x = 1,002,026.36 × 312,751.04
  4. Step 4: Simplify right side
    667,798.34x = 313,384,781,969.16
  5. Step 5: Solve for x
    x = 313,384,781,969.16/667,798.34
  6. Step 6: Final answer
    x = 469,280.57

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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.