Home / 769,687.80-1,154,531.70-237,161.40

Finding the Fourth Proportional to 769,687.80, 1,154,531.70 and 237,161.40

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Solution

The fourth proportional to 769,687.80, 1,154,531.70 and 237,161.40 is: 355,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,687.80 : 1,154,531.70 = 237,161.40 : x
  2. Step 2: Convert to fraction form
    769,687.80/1,154,531.70 = 237,161.40/x
  3. Step 3: Cross multiply
    769,687.80x = 1,154,531.70 × 237,161.40
  4. Step 4: Simplify right side
    769,687.80x = 273,810,354,316.38
  5. Step 5: Solve for x
    x = 273,810,354,316.38/769,687.80
  6. Step 6: Final answer
    x = 355,742.10

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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.