Home / 591,292.62-815,983.56-319,360.41

Finding the Fourth Proportional to 591,292.62, 815,983.56 and 319,360.41

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Solution

The fourth proportional to 591,292.62, 815,983.56 and 319,360.41 is: 440,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,292.62 : 815,983.56 = 319,360.41 : x
  2. Step 2: Convert to fraction form
    591,292.62/815,983.56 = 319,360.41/x
  3. Step 3: Cross multiply
    591,292.62x = 815,983.56 × 319,360.41
  4. Step 4: Simplify right side
    591,292.62x = 260,592,844,274.86
  5. Step 5: Solve for x
    x = 260,592,844,274.86/591,292.62
  6. Step 6: Final answer
    x = 440,717.23

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1.5x scale

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.