Home / 834,510.72-1,251,999.54-273,938.88

Finding the Fourth Proportional to 834,510.72, 1,251,999.54 and 273,938.88

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Solution

The fourth proportional to 834,510.72, 1,251,999.54 and 273,938.88 is: 410,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,510.72 : 1,251,999.54 = 273,938.88 : x
  2. Step 2: Convert to fraction form
    834,510.72/1,251,999.54 = 273,938.88/x
  3. Step 3: Cross multiply
    834,510.72x = 1,251,999.54 × 273,938.88
  4. Step 4: Simplify right side
    834,510.72x = 342,971,351,748.12
  5. Step 5: Solve for x
    x = 342,971,351,748.12/834,510.72
  6. Step 6: Final answer
    x = 410,984.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.