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Finding the Fourth Proportional to 559,197.76, 838,798.12 and 259,640.32

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Solution

The fourth proportional to 559,197.76, 838,798.12 and 259,640.32 is: 389,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,197.76 : 838,798.12 = 259,640.32 : x
  2. Step 2: Convert to fraction form
    559,197.76/838,798.12 = 259,640.32/x
  3. Step 3: Cross multiply
    559,197.76x = 838,798.12 × 259,640.32
  4. Step 4: Simplify right side
    559,197.76x = 217,785,812,292.20
  5. Step 5: Solve for x
    x = 217,785,812,292.20/559,197.76
  6. Step 6: Final answer
    x = 389,461.17

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Similar ratio
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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.