Home / 758,908.62-1,047,293.55-419,373.90

Finding the Fourth Proportional to 758,908.62, 1,047,293.55 and 419,373.90

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Solution

The fourth proportional to 758,908.62, 1,047,293.55 and 419,373.90 is: 578,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,908.62 : 1,047,293.55 = 419,373.90 : x
  2. Step 2: Convert to fraction form
    758,908.62/1,047,293.55 = 419,373.90/x
  3. Step 3: Cross multiply
    758,908.62x = 1,047,293.55 × 419,373.90
  4. Step 4: Simplify right side
    758,908.62x = 439,207,580,508.35
  5. Step 5: Solve for x
    x = 439,207,580,508.35/758,908.62
  6. Step 6: Final answer
    x = 578,735.79

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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.