Home / 645,455.12-968,313.90-224,763.80

Finding the Fourth Proportional to 645,455.12, 968,313.90 and 224,763.80

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Solution

The fourth proportional to 645,455.12, 968,313.90 and 224,763.80 is: 337,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,455.12 : 968,313.90 = 224,763.80 : x
  2. Step 2: Convert to fraction form
    645,455.12/968,313.90 = 224,763.80/x
  3. Step 3: Cross multiply
    645,455.12x = 968,313.90 × 224,763.80
  4. Step 4: Simplify right side
    645,455.12x = 217,641,910,633.00
  5. Step 5: Solve for x
    x = 217,641,910,633.00/645,455.12
  6. Step 6: Final answer
    x = 337,191.39

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1.5x scale

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.