Home / 758,884.56-1,047,261.06-419,352.80

Finding the Fourth Proportional to 758,884.56, 1,047,261.06 and 419,352.80

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Solution

The fourth proportional to 758,884.56, 1,047,261.06 and 419,352.80 is: 578,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,884.56 : 1,047,261.06 = 419,352.80 : x
  2. Step 2: Convert to fraction form
    758,884.56/1,047,261.06 = 419,352.80/x
  3. Step 3: Cross multiply
    758,884.56x = 1,047,261.06 × 419,352.80
  4. Step 4: Simplify right side
    758,884.56x = 439,171,857,841.97
  5. Step 5: Solve for x
    x = 439,171,857,841.97/758,884.56
  6. Step 6: Final answer
    x = 578,707.07

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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.