Home / 489,219.30-733,828.96-371,121.30

Finding the Fourth Proportional to 489,219.30, 733,828.96 and 371,121.30

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Solution

The fourth proportional to 489,219.30, 733,828.96 and 371,121.30 is: 556,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,219.30 : 733,828.96 = 371,121.30 : x
  2. Step 2: Convert to fraction form
    489,219.30/733,828.96 = 371,121.30/x
  3. Step 3: Cross multiply
    489,219.30x = 733,828.96 × 371,121.30
  4. Step 4: Simplify right side
    489,219.30x = 272,339,557,612.85
  5. Step 5: Solve for x
    x = 272,339,557,612.85/489,219.30
  6. Step 6: Final answer
    x = 556,681.96

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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.