Home / 1,250.07-1,875.60-519.48

Finding the Fourth Proportional to 1,250.07, 1,875.60 and 519.48

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Solution

The fourth proportional to 1,250.07, 1,875.60 and 519.48 is: 779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.07 : 1,875.60 = 519.48 : x
  2. Step 2: Convert to fraction form
    1,250.07/1,875.60 = 519.48/x
  3. Step 3: Cross multiply
    1,250.07x = 1,875.60 × 519.48
  4. Step 4: Simplify right side
    1,250.07x = 974,336.69
  5. Step 5: Solve for x
    x = 974,336.69/1,250.07
  6. Step 6: Final answer
    x = 779.43

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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.