Home / 870,975.72-1,306,463.11-271,988.22

Finding the Fourth Proportional to 870,975.72, 1,306,463.11 and 271,988.22

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Solution

The fourth proportional to 870,975.72, 1,306,463.11 and 271,988.22 is: 407,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,975.72 : 1,306,463.11 = 271,988.22 : x
  2. Step 2: Convert to fraction form
    870,975.72/1,306,463.11 = 271,988.22/x
  3. Step 3: Cross multiply
    870,975.72x = 1,306,463.11 × 271,988.22
  4. Step 4: Simplify right side
    870,975.72x = 355,342,575,784.56
  5. Step 5: Solve for x
    x = 355,342,575,784.56/870,975.72
  6. Step 6: Final answer
    x = 407,982.18

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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.