Home / 758,438.71-1,137,217.92-359,076.10

Finding the Fourth Proportional to 758,438.71, 1,137,217.92 and 359,076.10

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Solution

The fourth proportional to 758,438.71, 1,137,217.92 and 359,076.10 is: 538,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,438.71 : 1,137,217.92 = 359,076.10 : x
  2. Step 2: Convert to fraction form
    758,438.71/1,137,217.92 = 359,076.10/x
  3. Step 3: Cross multiply
    758,438.71x = 1,137,217.92 × 359,076.10
  4. Step 4: Simplify right side
    758,438.71x = 408,347,775,563.71
  5. Step 5: Solve for x
    x = 408,347,775,563.71/758,438.71
  6. Step 6: Final answer
    x = 538,405.77

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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.