Home / 685,774.59-1,028,711.16-236,489.00

Finding the Fourth Proportional to 685,774.59, 1,028,711.16 and 236,489.00

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Solution

The fourth proportional to 685,774.59, 1,028,711.16 and 236,489.00 is: 354,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,774.59 : 1,028,711.16 = 236,489.00 : x
  2. Step 2: Convert to fraction form
    685,774.59/1,028,711.16 = 236,489.00/x
  3. Step 3: Cross multiply
    685,774.59x = 1,028,711.16 × 236,489.00
  4. Step 4: Simplify right side
    685,774.59x = 243,278,868,373.68
  5. Step 5: Solve for x
    x = 243,278,868,373.68/685,774.59
  6. Step 6: Final answer
    x = 354,750.48

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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.