Home / 869,704.12-1,304,679.25-270,725.83

Finding the Fourth Proportional to 869,704.12, 1,304,679.25 and 270,725.83

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Solution

The fourth proportional to 869,704.12, 1,304,679.25 and 270,725.83 is: 406,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,704.12 : 1,304,679.25 = 270,725.83 : x
  2. Step 2: Convert to fraction form
    869,704.12/1,304,679.25 = 270,725.83/x
  3. Step 3: Cross multiply
    869,704.12x = 1,304,679.25 × 270,725.83
  4. Step 4: Simplify right side
    869,704.12x = 353,210,369,916.74
  5. Step 5: Solve for x
    x = 353,210,369,916.74/869,704.12
  6. Step 6: Final answer
    x = 406,127.05

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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.