Home / 836,861.90-1,255,281.90-205,781.18

Finding the Fourth Proportional to 836,861.90, 1,255,281.90 and 205,781.18

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Solution

The fourth proportional to 836,861.90, 1,255,281.90 and 205,781.18 is: 308,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,861.90 : 1,255,281.90 = 205,781.18 : x
  2. Step 2: Convert to fraction form
    836,861.90/1,255,281.90 = 205,781.18/x
  3. Step 3: Cross multiply
    836,861.90x = 1,255,281.90 × 205,781.18
  4. Step 4: Simplify right side
    836,861.90x = 258,313,390,614.64
  5. Step 5: Solve for x
    x = 258,313,390,614.64/836,861.90
  6. Step 6: Final answer
    x = 308,669.08

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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.