Home / 453,386.10-680,516.55-228,999.90

Finding the Fourth Proportional to 453,386.10, 680,516.55 and 228,999.90

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Solution

The fourth proportional to 453,386.10, 680,516.55 and 228,999.90 is: 343,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,386.10 : 680,516.55 = 228,999.90 : x
  2. Step 2: Convert to fraction form
    453,386.10/680,516.55 = 228,999.90/x
  3. Step 3: Cross multiply
    453,386.10x = 680,516.55 × 228,999.90
  4. Step 4: Simplify right side
    453,386.10x = 155,838,221,898.35
  5. Step 5: Solve for x
    x = 155,838,221,898.35/453,386.10
  6. Step 6: Final answer
    x = 343,720.78

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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.