Home / 501,210.42-691,667.34-271,765.44

Finding the Fourth Proportional to 501,210.42, 691,667.34 and 271,765.44

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Solution

The fourth proportional to 501,210.42, 691,667.34 and 271,765.44 is: 375,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,210.42 : 691,667.34 = 271,765.44 : x
  2. Step 2: Convert to fraction form
    501,210.42/691,667.34 = 271,765.44/x
  3. Step 3: Cross multiply
    501,210.42x = 691,667.34 × 271,765.44
  4. Step 4: Simplify right side
    501,210.42x = 187,971,278,988.73
  5. Step 5: Solve for x
    x = 187,971,278,988.73/501,210.42
  6. Step 6: Final answer
    x = 375,034.66

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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.