Home / 834,072.34-1,251,108.64-202,986.15

Finding the Fourth Proportional to 834,072.34, 1,251,108.64 and 202,986.15

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Solution

The fourth proportional to 834,072.34, 1,251,108.64 and 202,986.15 is: 304,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,072.34 : 1,251,108.64 = 202,986.15 : x
  2. Step 2: Convert to fraction form
    834,072.34/1,251,108.64 = 202,986.15/x
  3. Step 3: Cross multiply
    834,072.34x = 1,251,108.64 × 202,986.15
  4. Step 4: Simplify right side
    834,072.34x = 253,957,726,065.34
  5. Step 5: Solve for x
    x = 253,957,726,065.34/834,072.34
  6. Step 6: Final answer
    x = 304,479.26

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Double scale
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Similar ratio
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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.