Home / 502,784.28-693,824.58-276,428.04

Finding the Fourth Proportional to 502,784.28, 693,824.58 and 276,428.04

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Solution

The fourth proportional to 502,784.28, 693,824.58 and 276,428.04 is: 381,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,784.28 : 693,824.58 = 276,428.04 : x
  2. Step 2: Convert to fraction form
    502,784.28/693,824.58 = 276,428.04/x
  3. Step 3: Cross multiply
    502,784.28x = 693,824.58 × 276,428.04
  4. Step 4: Simplify right side
    502,784.28x = 191,792,568,753.22
  5. Step 5: Solve for x
    x = 191,792,568,753.22/502,784.28
  6. Step 6: Final answer
    x = 381,460.95

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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.