Home / 513,621.30-770,537.03-176,618.17

Finding the Fourth Proportional to 513,621.30, 770,537.03 and 176,618.17

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Solution

The fourth proportional to 513,621.30, 770,537.03 and 176,618.17 is: 264,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,621.30 : 770,537.03 = 176,618.17 : x
  2. Step 2: Convert to fraction form
    513,621.30/770,537.03 = 176,618.17/x
  3. Step 3: Cross multiply
    513,621.30x = 770,537.03 × 176,618.17
  4. Step 4: Simplify right side
    513,621.30x = 136,090,840,732.65
  5. Step 5: Solve for x
    x = 136,090,840,732.65/513,621.30
  6. Step 6: Final answer
    x = 264,963.39

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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.