Home / 852,412.10-1,175,959.69-521,282.57

Finding the Fourth Proportional to 852,412.10, 1,175,959.69 and 521,282.57

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Solution

The fourth proportional to 852,412.10, 1,175,959.69 and 521,282.57 is: 719,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,412.10 : 1,175,959.69 = 521,282.57 : x
  2. Step 2: Convert to fraction form
    852,412.10/1,175,959.69 = 521,282.57/x
  3. Step 3: Cross multiply
    852,412.10x = 1,175,959.69 × 521,282.57
  4. Step 4: Simplify right side
    852,412.10x = 613,007,288,601.26
  5. Step 5: Solve for x
    x = 613,007,288,601.26/852,412.10
  6. Step 6: Final answer
    x = 719,144.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.