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Finding the Fourth Proportional to 838,846.98, 1,258,470 and 270,281.88

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Solution

The fourth proportional to 838,846.98, 1,258,470 and 270,281.88 is: 405,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,846.98 : 1,258,470 = 270,281.88 : x
  2. Step 2: Convert to fraction form
    838,846.98/1,258,470 = 270,281.88/x
  3. Step 3: Cross multiply
    838,846.98x = 1,258,470 × 270,281.88
  4. Step 4: Simplify right side
    838,846.98x = 340,141,637,523.60
  5. Step 5: Solve for x
    x = 340,141,637,523.60/838,846.98
  6. Step 6: Final answer
    x = 405,487.11

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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.