Home / 777,120.50-1,165,627.25-477,647.30

Finding the Fourth Proportional to 777,120.50, 1,165,627.25 and 477,647.30

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Solution

The fourth proportional to 777,120.50, 1,165,627.25 and 477,647.30 is: 716,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,120.50 : 1,165,627.25 = 477,647.30 : x
  2. Step 2: Convert to fraction form
    777,120.50/1,165,627.25 = 477,647.30/x
  3. Step 3: Cross multiply
    777,120.50x = 1,165,627.25 × 477,647.30
  4. Step 4: Simplify right side
    777,120.50x = 556,758,706,380.69
  5. Step 5: Solve for x
    x = 556,758,706,380.69/777,120.50
  6. Step 6: Final answer
    x = 716,438.06

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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.