Home / 877,272.45-1,316,034.20-270,112.14

Finding the Fourth Proportional to 877,272.45, 1,316,034.20 and 270,112.14

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Solution

The fourth proportional to 877,272.45, 1,316,034.20 and 270,112.14 is: 405,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,272.45 : 1,316,034.20 = 270,112.14 : x
  2. Step 2: Convert to fraction form
    877,272.45/1,316,034.20 = 270,112.14/x
  3. Step 3: Cross multiply
    877,272.45x = 1,316,034.20 × 270,112.14
  4. Step 4: Simplify right side
    877,272.45x = 355,476,819,685.60
  5. Step 5: Solve for x
    x = 355,476,819,685.60/877,272.45
  6. Step 6: Final answer
    x = 405,206.87

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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.