Home / 890,031.31-1,335,046.96-216,108.07

Finding the Fourth Proportional to 890,031.31, 1,335,046.96 and 216,108.07

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Solution

The fourth proportional to 890,031.31, 1,335,046.96 and 216,108.07 is: 324,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,031.31 : 1,335,046.96 = 216,108.07 : x
  2. Step 2: Convert to fraction form
    890,031.31/1,335,046.96 = 216,108.07/x
  3. Step 3: Cross multiply
    890,031.31x = 1,335,046.96 × 216,108.07
  4. Step 4: Simplify right side
    890,031.31x = 288,514,421,884.97
  5. Step 5: Solve for x
    x = 288,514,421,884.97/890,031.31
  6. Step 6: Final answer
    x = 324,162.11

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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.