Home / 893,987.28-1,233,702.45-491,579.28

Finding the Fourth Proportional to 893,987.28, 1,233,702.45 and 491,579.28

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Solution

The fourth proportional to 893,987.28, 1,233,702.45 and 491,579.28 is: 678,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,987.28 : 1,233,702.45 = 491,579.28 : x
  2. Step 2: Convert to fraction form
    893,987.28/1,233,702.45 = 491,579.28/x
  3. Step 3: Cross multiply
    893,987.28x = 1,233,702.45 × 491,579.28
  4. Step 4: Simplify right side
    893,987.28x = 606,462,562,105.24
  5. Step 5: Solve for x
    x = 606,462,562,105.24/893,987.28
  6. Step 6: Final answer
    x = 678,379.41

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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.