Home / 747,655.22-1,121,498.70-267,914.30

Finding the Fourth Proportional to 747,655.22, 1,121,498.70 and 267,914.30

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Solution

The fourth proportional to 747,655.22, 1,121,498.70 and 267,914.30 is: 401,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,655.22 : 1,121,498.70 = 267,914.30 : x
  2. Step 2: Convert to fraction form
    747,655.22/1,121,498.70 = 267,914.30/x
  3. Step 3: Cross multiply
    747,655.22x = 1,121,498.70 × 267,914.30
  4. Step 4: Simplify right side
    747,655.22x = 300,465,539,161.41
  5. Step 5: Solve for x
    x = 300,465,539,161.41/747,655.22
  6. Step 6: Final answer
    x = 401,877.14

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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.