Home / 988,033.75-1,363,468.82-558,304.65

Finding the Fourth Proportional to 988,033.75, 1,363,468.82 and 558,304.65

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Solution

The fourth proportional to 988,033.75, 1,363,468.82 and 558,304.65 is: 770,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,033.75 : 1,363,468.82 = 558,304.65 : x
  2. Step 2: Convert to fraction form
    988,033.75/1,363,468.82 = 558,304.65/x
  3. Step 3: Cross multiply
    988,033.75x = 1,363,468.82 × 558,304.65
  4. Step 4: Simplify right side
    988,033.75x = 761,230,984,255.19
  5. Step 5: Solve for x
    x = 761,230,984,255.19/988,033.75
  6. Step 6: Final answer
    x = 770,450.39

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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.