Home / 747,611.19-1,121,432.64-267,870.24

Finding the Fourth Proportional to 747,611.19, 1,121,432.64 and 267,870.24

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Solution

The fourth proportional to 747,611.19, 1,121,432.64 and 267,870.24 is: 401,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,611.19 : 1,121,432.64 = 267,870.24 : x
  2. Step 2: Convert to fraction form
    747,611.19/1,121,432.64 = 267,870.24/x
  3. Step 3: Cross multiply
    747,611.19x = 1,121,432.64 × 267,870.24
  4. Step 4: Simplify right side
    747,611.19x = 300,398,430,420.63
  5. Step 5: Solve for x
    x = 300,398,430,420.63/747,611.19
  6. Step 6: Final answer
    x = 401,811.04

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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.