Home / 489,223.80-733,835.70-437,902.20

Finding the Fourth Proportional to 489,223.80, 733,835.70 and 437,902.20

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Solution

The fourth proportional to 489,223.80, 733,835.70 and 437,902.20 is: 656,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,223.80 : 733,835.70 = 437,902.20 : x
  2. Step 2: Convert to fraction form
    489,223.80/733,835.70 = 437,902.20/x
  3. Step 3: Cross multiply
    489,223.80x = 733,835.70 × 437,902.20
  4. Step 4: Simplify right side
    489,223.80x = 321,348,267,468.54
  5. Step 5: Solve for x
    x = 321,348,267,468.54/489,223.80
  6. Step 6: Final answer
    x = 656,853.30

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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.