Home / 731,740.38-1,097,741.13-258,700.38

Finding the Fourth Proportional to 731,740.38, 1,097,741.13 and 258,700.38

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Solution

The fourth proportional to 731,740.38, 1,097,741.13 and 258,700.38 is: 388,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,740.38 : 1,097,741.13 = 258,700.38 : x
  2. Step 2: Convert to fraction form
    731,740.38/1,097,741.13 = 258,700.38/x
  3. Step 3: Cross multiply
    731,740.38x = 1,097,741.13 × 258,700.38
  4. Step 4: Simplify right side
    731,740.38x = 283,986,047,472.63
  5. Step 5: Solve for x
    x = 283,986,047,472.63/731,740.38
  6. Step 6: Final answer
    x = 388,096.73

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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.