Home / 648,219.72-972,329.56-174,905.04

Finding the Fourth Proportional to 648,219.72, 972,329.56 and 174,905.04

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Solution

The fourth proportional to 648,219.72, 972,329.56 and 174,905.04 is: 262,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,219.72 : 972,329.56 = 174,905.04 : x
  2. Step 2: Convert to fraction form
    648,219.72/972,329.56 = 174,905.04/x
  3. Step 3: Cross multiply
    648,219.72x = 972,329.56 × 174,905.04
  4. Step 4: Simplify right side
    648,219.72x = 170,065,340,584.98
  5. Step 5: Solve for x
    x = 170,065,340,584.98/648,219.72
  6. Step 6: Final answer
    x = 262,357.55

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Similar ratio
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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.