Home / 959,403-1,324,131.66-557,228.28

Finding the Fourth Proportional to 959,403, 1,324,131.66 and 557,228.28

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Solution

The fourth proportional to 959,403, 1,324,131.66 and 557,228.28 is: 769,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,403 : 1,324,131.66 = 557,228.28 : x
  2. Step 2: Convert to fraction form
    959,403/1,324,131.66 = 557,228.28/x
  3. Step 3: Cross multiply
    959,403x = 1,324,131.66 × 557,228.28
  4. Step 4: Simplify right side
    959,403x = 737,843,607,395.35
  5. Step 5: Solve for x
    x = 737,843,607,395.35/959,403
  6. Step 6: Final answer
    x = 769,065.35

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1.5x scale

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.