Home / 836,142.23-1,154,355.05-550,492.70

Finding the Fourth Proportional to 836,142.23, 1,154,355.05 and 550,492.70

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Solution

The fourth proportional to 836,142.23, 1,154,355.05 and 550,492.70 is: 759,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,142.23 : 1,154,355.05 = 550,492.70 : x
  2. Step 2: Convert to fraction form
    836,142.23/1,154,355.05 = 550,492.70/x
  3. Step 3: Cross multiply
    836,142.23x = 1,154,355.05 × 550,492.70
  4. Step 4: Simplify right side
    836,142.23x = 635,464,019,708.90
  5. Step 5: Solve for x
    x = 635,464,019,708.90/836,142.23
  6. Step 6: Final answer
    x = 759,995.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.