Home / 921,486.65-1,382,136.57-247,480.38

Finding the Fourth Proportional to 921,486.65, 1,382,136.57 and 247,480.38

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Solution

The fourth proportional to 921,486.65, 1,382,136.57 and 247,480.38 is: 371,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,486.65 : 1,382,136.57 = 247,480.38 : x
  2. Step 2: Convert to fraction form
    921,486.65/1,382,136.57 = 247,480.38/x
  3. Step 3: Cross multiply
    921,486.65x = 1,382,136.57 × 247,480.38
  4. Step 4: Simplify right side
    921,486.65x = 342,051,683,555.50
  5. Step 5: Solve for x
    x = 342,051,683,555.50/921,486.65
  6. Step 6: Final answer
    x = 371,195.49

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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.