Home / 590,587.20-815,010.12-322,315.20

Finding the Fourth Proportional to 590,587.20, 815,010.12 and 322,315.20

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Solution

The fourth proportional to 590,587.20, 815,010.12 and 322,315.20 is: 444,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,587.20 : 815,010.12 = 322,315.20 : x
  2. Step 2: Convert to fraction form
    590,587.20/815,010.12 = 322,315.20/x
  3. Step 3: Cross multiply
    590,587.20x = 815,010.12 × 322,315.20
  4. Step 4: Simplify right side
    590,587.20x = 262,690,149,829.82
  5. Step 5: Solve for x
    x = 262,690,149,829.82/590,587.20
  6. Step 6: Final answer
    x = 444,794.86

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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.