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Finding the Fourth Proportional to 893,304, 1,232,759.52 and 490,896

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Solution

The fourth proportional to 893,304, 1,232,759.52 and 490,896 is: 677,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,304 : 1,232,759.52 = 490,896 : x
  2. Step 2: Convert to fraction form
    893,304/1,232,759.52 = 490,896/x
  3. Step 3: Cross multiply
    893,304x = 1,232,759.52 × 490,896
  4. Step 4: Simplify right side
    893,304x = 605,156,717,329.92
  5. Step 5: Solve for x
    x = 605,156,717,329.92/893,304
  6. Step 6: Final answer
    x = 677,436.48

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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.