Home / 747,619.26-1,121,444.81-267,878.40

Finding the Fourth Proportional to 747,619.26, 1,121,444.81 and 267,878.40

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Solution

The fourth proportional to 747,619.26, 1,121,444.81 and 267,878.40 is: 401,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,619.26 : 1,121,444.81 = 267,878.40 : x
  2. Step 2: Convert to fraction form
    747,619.26/1,121,444.81 = 267,878.40/x
  3. Step 3: Cross multiply
    747,619.26x = 1,121,444.81 × 267,878.40
  4. Step 4: Simplify right side
    747,619.26x = 300,410,841,391.10
  5. Step 5: Solve for x
    x = 300,410,841,391.10/747,619.26
  6. Step 6: Final answer
    x = 401,823.30

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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.