Home / 731,241.60-1,096,419.42-478,216.68

Finding the Fourth Proportional to 731,241.60, 1,096,419.42 and 478,216.68

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Solution

The fourth proportional to 731,241.60, 1,096,419.42 and 478,216.68 is: 717,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,241.60 : 1,096,419.42 = 478,216.68 : x
  2. Step 2: Convert to fraction form
    731,241.60/1,096,419.42 = 478,216.68/x
  3. Step 3: Cross multiply
    731,241.60x = 1,096,419.42 × 478,216.68
  4. Step 4: Simplify right side
    731,241.60x = 524,326,054,919.93
  5. Step 5: Solve for x
    x = 524,326,054,919.93/731,241.60
  6. Step 6: Final answer
    x = 717,035.32

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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.