Home / 747,619.13-1,121,444.63-267,878.27

Finding the Fourth Proportional to 747,619.13, 1,121,444.63 and 267,878.27

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Solution

The fourth proportional to 747,619.13, 1,121,444.63 and 267,878.27 is: 401,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,619.13 : 1,121,444.63 = 267,878.27 : x
  2. Step 2: Convert to fraction form
    747,619.13/1,121,444.63 = 267,878.27/x
  3. Step 3: Cross multiply
    747,619.13x = 1,121,444.63 × 267,878.27
  4. Step 4: Simplify right side
    747,619.13x = 300,410,647,385.19
  5. Step 5: Solve for x
    x = 300,410,647,385.19/747,619.13
  6. Step 6: Final answer
    x = 401,823.11

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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.