Home / 675,249.20-1,012,240.20-254,807.60

Finding the Fourth Proportional to 675,249.20, 1,012,240.20 and 254,807.60

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Solution

The fourth proportional to 675,249.20, 1,012,240.20 and 254,807.60 is: 381,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,249.20 : 1,012,240.20 = 254,807.60 : x
  2. Step 2: Convert to fraction form
    675,249.20/1,012,240.20 = 254,807.60/x
  3. Step 3: Cross multiply
    675,249.20x = 1,012,240.20 × 254,807.60
  4. Step 4: Simplify right side
    675,249.20x = 257,926,495,985.52
  5. Step 5: Solve for x
    x = 257,926,495,985.52/675,249.20
  6. Step 6: Final answer
    x = 381,972.31

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1.5x scale

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.