Home / 842,822.25-1,264,234.59-344,186.25

Finding the Fourth Proportional to 842,822.25, 1,264,234.59 and 344,186.25

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Solution

The fourth proportional to 842,822.25, 1,264,234.59 and 344,186.25 is: 516,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,822.25 : 1,264,234.59 = 344,186.25 : x
  2. Step 2: Convert to fraction form
    842,822.25/1,264,234.59 = 344,186.25/x
  3. Step 3: Cross multiply
    842,822.25x = 1,264,234.59 × 344,186.25
  4. Step 4: Simplify right side
    842,822.25x = 435,132,162,652.39
  5. Step 5: Solve for x
    x = 435,132,162,652.39/842,822.25
  6. Step 6: Final answer
    x = 516,279.87

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Double scale
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1.5x scale

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.