Home / 780,951.42-1,170,403.29-444,146.94

Finding the Fourth Proportional to 780,951.42, 1,170,403.29 and 444,146.94

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Solution

The fourth proportional to 780,951.42, 1,170,403.29 and 444,146.94 is: 665,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,951.42 : 1,170,403.29 = 444,146.94 : x
  2. Step 2: Convert to fraction form
    780,951.42/1,170,403.29 = 444,146.94/x
  3. Step 3: Cross multiply
    780,951.42x = 1,170,403.29 × 444,146.94
  4. Step 4: Simplify right side
    780,951.42x = 519,831,039,819.43
  5. Step 5: Solve for x
    x = 519,831,039,819.43/780,951.42
  6. Step 6: Final answer
    x = 665,638.13

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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.