Home / 889,839.69-1,228,086.66-502,671.42

Finding the Fourth Proportional to 889,839.69, 1,228,086.66 and 502,671.42

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Solution

The fourth proportional to 889,839.69, 1,228,086.66 and 502,671.42 is: 693,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,839.69 : 1,228,086.66 = 502,671.42 : x
  2. Step 2: Convert to fraction form
    889,839.69/1,228,086.66 = 502,671.42/x
  3. Step 3: Cross multiply
    889,839.69x = 1,228,086.66 × 502,671.42
  4. Step 4: Simplify right side
    889,839.69x = 617,324,065,265.26
  5. Step 5: Solve for x
    x = 617,324,065,265.26/889,839.69
  6. Step 6: Final answer
    x = 693,747.51

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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.