Home / 489,017.05-733,341.30-204,727.20

Finding the Fourth Proportional to 489,017.05, 733,341.30 and 204,727.20

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Solution

The fourth proportional to 489,017.05, 733,341.30 and 204,727.20 is: 307,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,017.05 : 733,341.30 = 204,727.20 : x
  2. Step 2: Convert to fraction form
    489,017.05/733,341.30 = 204,727.20/x
  3. Step 3: Cross multiply
    489,017.05x = 733,341.30 × 204,727.20
  4. Step 4: Simplify right side
    489,017.05x = 150,134,907,475.60
  5. Step 5: Solve for x
    x = 150,134,907,475.60/489,017.05
  6. Step 6: Final answer
    x = 307,013.65

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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.