Home / 645,454.43-968,312.87-224,763.11

Finding the Fourth Proportional to 645,454.43, 968,312.87 and 224,763.11

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Solution

The fourth proportional to 645,454.43, 968,312.87 and 224,763.11 is: 337,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,454.43 : 968,312.87 = 224,763.11 : x
  2. Step 2: Convert to fraction form
    645,454.43/968,312.87 = 224,763.11/x
  3. Step 3: Cross multiply
    645,454.43x = 968,312.87 × 224,763.11
  4. Step 4: Simplify right side
    645,454.43x = 217,641,009,780.02
  5. Step 5: Solve for x
    x = 217,641,009,780.02/645,454.43
  6. Step 6: Final answer
    x = 337,190.36

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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.