Home / 660,727.46-911,587.03-370,296.56

Finding the Fourth Proportional to 660,727.46, 911,587.03 and 370,296.56

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Solution

The fourth proportional to 660,727.46, 911,587.03 and 370,296.56 is: 510,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,727.46 : 911,587.03 = 370,296.56 : x
  2. Step 2: Convert to fraction form
    660,727.46/911,587.03 = 370,296.56/x
  3. Step 3: Cross multiply
    660,727.46x = 911,587.03 × 370,296.56
  4. Step 4: Simplify right side
    660,727.46x = 337,557,542,702.84
  5. Step 5: Solve for x
    x = 337,557,542,702.84/660,727.46
  6. Step 6: Final answer
    x = 510,887.71

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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.