Home / 578,764.24-798,695.28-324,115.43

Finding the Fourth Proportional to 578,764.24, 798,695.28 and 324,115.43

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Solution

The fourth proportional to 578,764.24, 798,695.28 and 324,115.43 is: 447,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,764.24 : 798,695.28 = 324,115.43 : x
  2. Step 2: Convert to fraction form
    578,764.24/798,695.28 = 324,115.43/x
  3. Step 3: Cross multiply
    578,764.24x = 798,695.28 × 324,115.43
  4. Step 4: Simplify right side
    578,764.24x = 258,869,460,122.69
  5. Step 5: Solve for x
    x = 258,869,460,122.69/578,764.24
  6. Step 6: Final answer
    x = 447,279.64

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Double scale
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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.