Home / 765,795.33-1,057,124.64-545,175.04

Finding the Fourth Proportional to 765,795.33, 1,057,124.64 and 545,175.04

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Solution

The fourth proportional to 765,795.33, 1,057,124.64 and 545,175.04 is: 752,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,795.33 : 1,057,124.64 = 545,175.04 : x
  2. Step 2: Convert to fraction form
    765,795.33/1,057,124.64 = 545,175.04/x
  3. Step 3: Cross multiply
    765,795.33x = 1,057,124.64 × 545,175.04
  4. Step 4: Simplify right side
    765,795.33x = 576,317,962,611.36
  5. Step 5: Solve for x
    x = 576,317,962,611.36/765,795.33
  6. Step 6: Final answer
    x = 752,574.41

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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.