Home / 502,222.08-693,071.55-272,781.57

Finding the Fourth Proportional to 502,222.08, 693,071.55 and 272,781.57

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Solution

The fourth proportional to 502,222.08, 693,071.55 and 272,781.57 is: 376,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,222.08 : 693,071.55 = 272,781.57 : x
  2. Step 2: Convert to fraction form
    502,222.08/693,071.55 = 272,781.57/x
  3. Step 3: Cross multiply
    502,222.08x = 693,071.55 × 272,781.57
  4. Step 4: Simplify right side
    502,222.08x = 189,057,145,531.33
  5. Step 5: Solve for x
    x = 189,057,145,531.33/502,222.08
  6. Step 6: Final answer
    x = 376,441.33

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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.