Home / 899,687.40-1,349,531.10-234,839.40

Finding the Fourth Proportional to 899,687.40, 1,349,531.10 and 234,839.40

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Solution

The fourth proportional to 899,687.40, 1,349,531.10 and 234,839.40 is: 352,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,687.40 : 1,349,531.10 = 234,839.40 : x
  2. Step 2: Convert to fraction form
    899,687.40/1,349,531.10 = 234,839.40/x
  3. Step 3: Cross multiply
    899,687.40x = 1,349,531.10 × 234,839.40
  4. Step 4: Simplify right side
    899,687.40x = 316,923,073,805.34
  5. Step 5: Solve for x
    x = 316,923,073,805.34/899,687.40
  6. Step 6: Final answer
    x = 352,259.10

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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.