Home / 588,666.20-882,999.30-145,434.20

Finding the Fourth Proportional to 588,666.20, 882,999.30 and 145,434.20

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Solution

The fourth proportional to 588,666.20, 882,999.30 and 145,434.20 is: 218,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,666.20 : 882,999.30 = 145,434.20 : x
  2. Step 2: Convert to fraction form
    588,666.20/882,999.30 = 145,434.20/x
  3. Step 3: Cross multiply
    588,666.20x = 882,999.30 × 145,434.20
  4. Step 4: Simplify right side
    588,666.20x = 128,418,296,796.06
  5. Step 5: Solve for x
    x = 128,418,296,796.06/588,666.20
  6. Step 6: Final answer
    x = 218,151.30

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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.