Home / 747,619.63-1,121,445.38-267,878.77

Finding the Fourth Proportional to 747,619.63, 1,121,445.38 and 267,878.77

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Solution

The fourth proportional to 747,619.63, 1,121,445.38 and 267,878.77 is: 401,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,619.63 : 1,121,445.38 = 267,878.77 : x
  2. Step 2: Convert to fraction form
    747,619.63/1,121,445.38 = 267,878.77/x
  3. Step 3: Cross multiply
    747,619.63x = 1,121,445.38 × 267,878.77
  4. Step 4: Simplify right side
    747,619.63x = 300,411,409,016.58
  5. Step 5: Solve for x
    x = 300,411,409,016.58/747,619.63
  6. Step 6: Final answer
    x = 401,823.86

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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.