Home / 950,614.80-1,426,138.20-319,592.40

Finding the Fourth Proportional to 950,614.80, 1,426,138.20 and 319,592.40

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Solution

The fourth proportional to 950,614.80, 1,426,138.20 and 319,592.40 is: 479,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,614.80 : 1,426,138.20 = 319,592.40 : x
  2. Step 2: Convert to fraction form
    950,614.80/1,426,138.20 = 319,592.40/x
  3. Step 3: Cross multiply
    950,614.80x = 1,426,138.20 × 319,592.40
  4. Step 4: Simplify right side
    950,614.80x = 455,782,930,069.68
  5. Step 5: Solve for x
    x = 455,782,930,069.68/950,614.80
  6. Step 6: Final answer
    x = 479,461.22

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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.