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Finding the Fourth Proportional to 526,415.22, 726,450.90 and 284,698.08

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Solution

The fourth proportional to 526,415.22, 726,450.90 and 284,698.08 is: 392,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,415.22 : 726,450.90 = 284,698.08 : x
  2. Step 2: Convert to fraction form
    526,415.22/726,450.90 = 284,698.08/x
  3. Step 3: Cross multiply
    526,415.22x = 726,450.90 × 284,698.08
  4. Step 4: Simplify right side
    526,415.22x = 206,819,176,444.27
  5. Step 5: Solve for x
    x = 206,819,176,444.27/526,415.22
  6. Step 6: Final answer
    x = 392,882.21

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1.5x scale

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.