Home / 588,995.72-812,823.54-320,723.72

Finding the Fourth Proportional to 588,995.72, 812,823.54 and 320,723.72

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Solution

The fourth proportional to 588,995.72, 812,823.54 and 320,723.72 is: 442,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,995.72 : 812,823.54 = 320,723.72 : x
  2. Step 2: Convert to fraction form
    588,995.72/812,823.54 = 320,723.72/x
  3. Step 3: Cross multiply
    588,995.72x = 812,823.54 × 320,723.72
  4. Step 4: Simplify right side
    588,995.72x = 260,691,789,452.37
  5. Step 5: Solve for x
    x = 260,691,789,452.37/588,995.72
  6. Step 6: Final answer
    x = 442,603.88

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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.