Home / 688,603.88-1,032,965.36-189,967.88

Finding the Fourth Proportional to 688,603.88, 1,032,965.36 and 189,967.88

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Solution

The fourth proportional to 688,603.88, 1,032,965.36 and 189,967.88 is: 284,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,603.88 : 1,032,965.36 = 189,967.88 : x
  2. Step 2: Convert to fraction form
    688,603.88/1,032,965.36 = 189,967.88/x
  3. Step 3: Cross multiply
    688,603.88x = 1,032,965.36 × 189,967.88
  4. Step 4: Simplify right side
    688,603.88x = 196,230,233,437.97
  5. Step 5: Solve for x
    x = 196,230,233,437.97/688,603.88
  6. Step 6: Final answer
    x = 284,968.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.