Home / 386,759.28-532,733.40-273,387.12

Finding the Fourth Proportional to 386,759.28, 532,733.40 and 273,387.12

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Solution

The fourth proportional to 386,759.28, 532,733.40 and 273,387.12 is: 376,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,759.28 : 532,733.40 = 273,387.12 : x
  2. Step 2: Convert to fraction form
    386,759.28/532,733.40 = 273,387.12/x
  3. Step 3: Cross multiply
    386,759.28x = 532,733.40 × 273,387.12
  4. Step 4: Simplify right side
    386,759.28x = 145,642,449,953.81
  5. Step 5: Solve for x
    x = 145,642,449,953.81/386,759.28
  6. Step 6: Final answer
    x = 376,571.31

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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.