Home / 891,412.68-1,335,861.90-492,233.16

Finding the Fourth Proportional to 891,412.68, 1,335,861.90 and 492,233.16

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Solution

The fourth proportional to 891,412.68, 1,335,861.90 and 492,233.16 is: 737,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,412.68 : 1,335,861.90 = 492,233.16 : x
  2. Step 2: Convert to fraction form
    891,412.68/1,335,861.90 = 492,233.16/x
  3. Step 3: Cross multiply
    891,412.68x = 1,335,861.90 × 492,233.16
  4. Step 4: Simplify right side
    891,412.68x = 657,555,524,360.60
  5. Step 5: Solve for x
    x = 657,555,524,360.60/891,412.68
  6. Step 6: Final answer
    x = 737,655.57

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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.