Home / 502,775.28-693,812.16-276,419.04

Finding the Fourth Proportional to 502,775.28, 693,812.16 and 276,419.04

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Solution

The fourth proportional to 502,775.28, 693,812.16 and 276,419.04 is: 381,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,775.28 : 693,812.16 = 276,419.04 : x
  2. Step 2: Convert to fraction form
    502,775.28/693,812.16 = 276,419.04/x
  3. Step 3: Cross multiply
    502,775.28x = 693,812.16 × 276,419.04
  4. Step 4: Simplify right side
    502,775.28x = 191,782,891,207.53
  5. Step 5: Solve for x
    x = 191,782,891,207.53/502,775.28
  6. Step 6: Final answer
    x = 381,448.53

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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.