Home / 645,769.87-968,615.42-240,883.88

Finding the Fourth Proportional to 645,769.87, 968,615.42 and 240,883.88

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Solution

The fourth proportional to 645,769.87, 968,615.42 and 240,883.88 is: 361,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,769.87 : 968,615.42 = 240,883.88 : x
  2. Step 2: Convert to fraction form
    645,769.87/968,615.42 = 240,883.88/x
  3. Step 3: Cross multiply
    645,769.87x = 968,615.42 × 240,883.88
  4. Step 4: Simplify right side
    645,769.87x = 233,323,834,549.93
  5. Step 5: Solve for x
    x = 233,323,834,549.93/645,769.87
  6. Step 6: Final answer
    x = 361,311.12

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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.