Home / 668,370.72-1,002,818.61-294,131.28

Finding the Fourth Proportional to 668,370.72, 1,002,818.61 and 294,131.28

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Solution

The fourth proportional to 668,370.72, 1,002,818.61 and 294,131.28 is: 441,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,370.72 : 1,002,818.61 = 294,131.28 : x
  2. Step 2: Convert to fraction form
    668,370.72/1,002,818.61 = 294,131.28/x
  3. Step 3: Cross multiply
    668,370.72x = 1,002,818.61 × 294,131.28
  4. Step 4: Simplify right side
    668,370.72x = 294,960,321,367.12
  5. Step 5: Solve for x
    x = 294,960,321,367.12/668,370.72
  6. Step 6: Final answer
    x = 441,312.45

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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.