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Finding the Fourth Proportional to 882,810.60, 1,324,280.13 and 369,960.96

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Solution

The fourth proportional to 882,810.60, 1,324,280.13 and 369,960.96 is: 554,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,810.60 : 1,324,280.13 = 369,960.96 : x
  2. Step 2: Convert to fraction form
    882,810.60/1,324,280.13 = 369,960.96/x
  3. Step 3: Cross multiply
    882,810.60x = 1,324,280.13 × 369,960.96
  4. Step 4: Simplify right side
    882,810.60x = 489,931,948,203.73
  5. Step 5: Solve for x
    x = 489,931,948,203.73/882,810.60
  6. Step 6: Final answer
    x = 554,968.36

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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.