Home / 758,884.31-1,047,260.72-419,352.56

Finding the Fourth Proportional to 758,884.31, 1,047,260.72 and 419,352.56

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Solution

The fourth proportional to 758,884.31, 1,047,260.72 and 419,352.56 is: 578,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,884.31 : 1,047,260.72 = 419,352.56 : x
  2. Step 2: Convert to fraction form
    758,884.31/1,047,260.72 = 419,352.56/x
  3. Step 3: Cross multiply
    758,884.31x = 1,047,260.72 × 419,352.56
  4. Step 4: Simplify right side
    758,884.31x = 439,171,463,919.44
  5. Step 5: Solve for x
    x = 439,171,463,919.44/758,884.31
  6. Step 6: Final answer
    x = 578,706.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.