Home / 752,766.76-1,038,565.14-480,993.76

Finding the Fourth Proportional to 752,766.76, 1,038,565.14 and 480,993.76

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Solution

The fourth proportional to 752,766.76, 1,038,565.14 and 480,993.76 is: 663,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,766.76 : 1,038,565.14 = 480,993.76 : x
  2. Step 2: Convert to fraction form
    752,766.76/1,038,565.14 = 480,993.76/x
  3. Step 3: Cross multiply
    752,766.76x = 1,038,565.14 × 480,993.76
  4. Step 4: Simplify right side
    752,766.76x = 499,543,351,693.53
  5. Step 5: Solve for x
    x = 499,543,351,693.53/752,766.76
  6. Step 6: Final answer
    x = 663,609.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.