Home / 846,381.60-1,268,259.84-490,512.96

Finding the Fourth Proportional to 846,381.60, 1,268,259.84 and 490,512.96

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Solution

The fourth proportional to 846,381.60, 1,268,259.84 and 490,512.96 is: 735,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,381.60 : 1,268,259.84 = 490,512.96 : x
  2. Step 2: Convert to fraction form
    846,381.60/1,268,259.84 = 490,512.96/x
  3. Step 3: Cross multiply
    846,381.60x = 1,268,259.84 × 490,512.96
  4. Step 4: Simplify right side
    846,381.60x = 622,097,888,167.53
  5. Step 5: Solve for x
    x = 622,097,888,167.53/846,381.60
  6. Step 6: Final answer
    x = 735,008.76

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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.