Home / 890,671.66-1,335,996.14-216,754.10

Finding the Fourth Proportional to 890,671.66, 1,335,996.14 and 216,754.10

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Solution

The fourth proportional to 890,671.66, 1,335,996.14 and 216,754.10 is: 325,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,671.66 : 1,335,996.14 = 216,754.10 : x
  2. Step 2: Convert to fraction form
    890,671.66/1,335,996.14 = 216,754.10/x
  3. Step 3: Cross multiply
    890,671.66x = 1,335,996.14 × 216,754.10
  4. Step 4: Simplify right side
    890,671.66x = 289,582,640,929.17
  5. Step 5: Solve for x
    x = 289,582,640,929.17/890,671.66
  6. Step 6: Final answer
    x = 325,128.39

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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.