Home / 790,684.13-1,186,099.10-258,207.95

Finding the Fourth Proportional to 790,684.13, 1,186,099.10 and 258,207.95

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Solution

The fourth proportional to 790,684.13, 1,186,099.10 and 258,207.95 is: 387,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,684.13 : 1,186,099.10 = 258,207.95 : x
  2. Step 2: Convert to fraction form
    790,684.13/1,186,099.10 = 258,207.95/x
  3. Step 3: Cross multiply
    790,684.13x = 1,186,099.10 × 258,207.95
  4. Step 4: Simplify right side
    790,684.13x = 306,260,219,750.33
  5. Step 5: Solve for x
    x = 306,260,219,750.33/790,684.13
  6. Step 6: Final answer
    x = 387,335.74

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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.