Home / 890,300.70-1,335,451.05-801,654.30

Finding the Fourth Proportional to 890,300.70, 1,335,451.05 and 801,654.30

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Solution

The fourth proportional to 890,300.70, 1,335,451.05 and 801,654.30 is: 1,202,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,300.70 : 1,335,451.05 = 801,654.30 : x
  2. Step 2: Convert to fraction form
    890,300.70/1,335,451.05 = 801,654.30/x
  3. Step 3: Cross multiply
    890,300.70x = 1,335,451.05 × 801,654.30
  4. Step 4: Simplify right side
    890,300.70x = 1,070,570,076,672.02
  5. Step 5: Solve for x
    x = 1,070,570,076,672.02/890,300.70
  6. Step 6: Final answer
    x = 1,202,481.45

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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.