Home / 865,373.22-1,298,060.70-225,676.48

Finding the Fourth Proportional to 865,373.22, 1,298,060.70 and 225,676.48

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Solution

The fourth proportional to 865,373.22, 1,298,060.70 and 225,676.48 is: 338,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,373.22 : 1,298,060.70 = 225,676.48 : x
  2. Step 2: Convert to fraction form
    865,373.22/1,298,060.70 = 225,676.48/x
  3. Step 3: Cross multiply
    865,373.22x = 1,298,060.70 × 225,676.48
  4. Step 4: Simplify right side
    865,373.22x = 292,941,769,602.34
  5. Step 5: Solve for x
    x = 292,941,769,602.34/865,373.22
  6. Step 6: Final answer
    x = 338,514.95

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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.