Home / 489,286.20-733,929.30-470,623.80

Finding the Fourth Proportional to 489,286.20, 733,929.30 and 470,623.80

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Solution

The fourth proportional to 489,286.20, 733,929.30 and 470,623.80 is: 705,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,286.20 : 733,929.30 = 470,623.80 : x
  2. Step 2: Convert to fraction form
    489,286.20/733,929.30 = 470,623.80/x
  3. Step 3: Cross multiply
    489,286.20x = 733,929.30 × 470,623.80
  4. Step 4: Simplify right side
    489,286.20x = 345,404,596,097.34
  5. Step 5: Solve for x
    x = 345,404,596,097.34/489,286.20
  6. Step 6: Final answer
    x = 705,935.70

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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.