Home / 838,115.60-1,257,368.61-239,084.96

Finding the Fourth Proportional to 838,115.60, 1,257,368.61 and 239,084.96

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Solution

The fourth proportional to 838,115.60, 1,257,368.61 and 239,084.96 is: 358,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,115.60 : 1,257,368.61 = 239,084.96 : x
  2. Step 2: Convert to fraction form
    838,115.60/1,257,368.61 = 239,084.96/x
  3. Step 3: Cross multiply
    838,115.60x = 1,257,368.61 × 239,084.96
  4. Step 4: Simplify right side
    838,115.60x = 300,617,923,827.11
  5. Step 5: Solve for x
    x = 300,617,923,827.11/838,115.60
  6. Step 6: Final answer
    x = 358,683.13

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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.