Home / 917,136.14-1,375,259.82-384,514.16

Finding the Fourth Proportional to 917,136.14, 1,375,259.82 and 384,514.16

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Solution

The fourth proportional to 917,136.14, 1,375,259.82 and 384,514.16 is: 576,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,136.14 : 1,375,259.82 = 384,514.16 : x
  2. Step 2: Convert to fraction form
    917,136.14/1,375,259.82 = 384,514.16/x
  3. Step 3: Cross multiply
    917,136.14x = 1,375,259.82 × 384,514.16
  4. Step 4: Simplify right side
    917,136.14x = 528,806,866,150.82
  5. Step 5: Solve for x
    x = 528,806,866,150.82/917,136.14
  6. Step 6: Final answer
    x = 576,584.92

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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.