Home / 502,904.16-693,989.64-276,548.04

Finding the Fourth Proportional to 502,904.16, 693,989.64 and 276,548.04

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Solution

The fourth proportional to 502,904.16, 693,989.64 and 276,548.04 is: 381,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,904.16 : 693,989.64 = 276,548.04 : x
  2. Step 2: Convert to fraction form
    502,904.16/693,989.64 = 276,548.04/x
  3. Step 3: Cross multiply
    502,904.16x = 693,989.64 × 276,548.04
  4. Step 4: Simplify right side
    502,904.16x = 191,921,474,722.31
  5. Step 5: Solve for x
    x = 191,921,474,722.31/502,904.16
  6. Step 6: Final answer
    x = 381,626.34

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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.