Home / 752,088.40-1,128,011.55-219,484.60

Finding the Fourth Proportional to 752,088.40, 1,128,011.55 and 219,484.60

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Solution

The fourth proportional to 752,088.40, 1,128,011.55 and 219,484.60 is: 329,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,088.40 : 1,128,011.55 = 219,484.60 : x
  2. Step 2: Convert to fraction form
    752,088.40/1,128,011.55 = 219,484.60/x
  3. Step 3: Cross multiply
    752,088.40x = 1,128,011.55 × 219,484.60
  4. Step 4: Simplify right side
    752,088.40x = 247,581,163,847.13
  5. Step 5: Solve for x
    x = 247,581,163,847.13/752,088.40
  6. Step 6: Final answer
    x = 329,191.57

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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.