Home / 871,259.04-1,306,841.52-272,151.42

Finding the Fourth Proportional to 871,259.04, 1,306,841.52 and 272,151.42

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Solution

The fourth proportional to 871,259.04, 1,306,841.52 and 272,151.42 is: 408,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,259.04 : 1,306,841.52 = 272,151.42 : x
  2. Step 2: Convert to fraction form
    871,259.04/1,306,841.52 = 272,151.42/x
  3. Step 3: Cross multiply
    871,259.04x = 1,306,841.52 × 272,151.42
  4. Step 4: Simplify right side
    871,259.04x = 355,658,775,382.96
  5. Step 5: Solve for x
    x = 355,658,775,382.96/871,259.04
  6. Step 6: Final answer
    x = 408,212.44

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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.