Home / 916,661.52-1,264,973.84-508,739.44

Finding the Fourth Proportional to 916,661.52, 1,264,973.84 and 508,739.44

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Solution

The fourth proportional to 916,661.52, 1,264,973.84 and 508,739.44 is: 702,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,661.52 : 1,264,973.84 = 508,739.44 : x
  2. Step 2: Convert to fraction form
    916,661.52/1,264,973.84 = 508,739.44/x
  3. Step 3: Cross multiply
    916,661.52x = 1,264,973.84 × 508,739.44
  4. Step 4: Simplify right side
    916,661.52x = 643,542,082,976.25
  5. Step 5: Solve for x
    x = 643,542,082,976.25/916,661.52
  6. Step 6: Final answer
    x = 702,049.85

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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.