Home / 717,580.38-1,075,996.88-267,931.48

Finding the Fourth Proportional to 717,580.38, 1,075,996.88 and 267,931.48

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Solution

The fourth proportional to 717,580.38, 1,075,996.88 and 267,931.48 is: 401,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,580.38 : 1,075,996.88 = 267,931.48 : x
  2. Step 2: Convert to fraction form
    717,580.38/1,075,996.88 = 267,931.48/x
  3. Step 3: Cross multiply
    717,580.38x = 1,075,996.88 × 267,931.48
  4. Step 4: Simplify right side
    717,580.38x = 288,293,436,533.78
  5. Step 5: Solve for x
    x = 288,293,436,533.78/717,580.38
  6. Step 6: Final answer
    x = 401,757.69

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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.