Home / 477,238.50-658,048.05-304,928.82

Finding the Fourth Proportional to 477,238.50, 658,048.05 and 304,928.82

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Solution

The fourth proportional to 477,238.50, 658,048.05 and 304,928.82 is: 420,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,238.50 : 658,048.05 = 304,928.82 : x
  2. Step 2: Convert to fraction form
    477,238.50/658,048.05 = 304,928.82/x
  3. Step 3: Cross multiply
    477,238.50x = 658,048.05 × 304,928.82
  4. Step 4: Simplify right side
    477,238.50x = 200,657,815,389.80
  5. Step 5: Solve for x
    x = 200,657,815,389.80/477,238.50
  6. Step 6: Final answer
    x = 420,456.05

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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.