Home / 588,215.20-882,322.80-399,258.40

Finding the Fourth Proportional to 588,215.20, 882,322.80 and 399,258.40

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Solution

The fourth proportional to 588,215.20, 882,322.80 and 399,258.40 is: 598,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,215.20 : 882,322.80 = 399,258.40 : x
  2. Step 2: Convert to fraction form
    588,215.20/882,322.80 = 399,258.40/x
  3. Step 3: Cross multiply
    588,215.20x = 882,322.80 × 399,258.40
  4. Step 4: Simplify right side
    588,215.20x = 352,274,789,411.52
  5. Step 5: Solve for x
    x = 352,274,789,411.52/588,215.20
  6. Step 6: Final answer
    x = 598,887.60

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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.