Home / 777,114.78-1,165,618.62-477,641.58

Finding the Fourth Proportional to 777,114.78, 1,165,618.62 and 477,641.58

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Solution

The fourth proportional to 777,114.78, 1,165,618.62 and 477,641.58 is: 716,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,114.78 : 1,165,618.62 = 477,641.58 : x
  2. Step 2: Convert to fraction form
    777,114.78/1,165,618.62 = 477,641.58/x
  3. Step 3: Cross multiply
    777,114.78x = 1,165,618.62 × 477,641.58
  4. Step 4: Simplify right side
    777,114.78x = 556,747,919,334.22
  5. Step 5: Solve for x
    x = 556,747,919,334.22/777,114.78
  6. Step 6: Final answer
    x = 716,429.46

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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.