Home / 758,355.92-1,046,596.26-418,889.78

Finding the Fourth Proportional to 758,355.92, 1,046,596.26 and 418,889.78

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Solution

The fourth proportional to 758,355.92, 1,046,596.26 and 418,889.78 is: 578,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,355.92 : 1,046,596.26 = 418,889.78 : x
  2. Step 2: Convert to fraction form
    758,355.92/1,046,596.26 = 418,889.78/x
  3. Step 3: Cross multiply
    758,355.92x = 1,046,596.26 × 418,889.78
  4. Step 4: Simplify right side
    758,355.92x = 438,408,477,100.22
  5. Step 5: Solve for x
    x = 438,408,477,100.22/758,355.92
  6. Step 6: Final answer
    x = 578,103.85

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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.