Home / 502,733.11-693,786.05-306,510.92

Finding the Fourth Proportional to 502,733.11, 693,786.05 and 306,510.92

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Solution

The fourth proportional to 502,733.11, 693,786.05 and 306,510.92 is: 422,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,733.11 : 693,786.05 = 306,510.92 : x
  2. Step 2: Convert to fraction form
    502,733.11/693,786.05 = 306,510.92/x
  3. Step 3: Cross multiply
    502,733.11x = 693,786.05 × 306,510.92
  4. Step 4: Simplify right side
    502,733.11x = 212,652,997,766.01
  5. Step 5: Solve for x
    x = 212,652,997,766.01/502,733.11
  6. Step 6: Final answer
    x = 422,993.82

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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.