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Finding the Fourth Proportional to 660,060.43, 910,727.28 and 373,580.51

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Solution

The fourth proportional to 660,060.43, 910,727.28 and 373,580.51 is: 515,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,060.43 : 910,727.28 = 373,580.51 : x
  2. Step 2: Convert to fraction form
    660,060.43/910,727.28 = 373,580.51/x
  3. Step 3: Cross multiply
    660,060.43x = 910,727.28 × 373,580.51
  4. Step 4: Simplify right side
    660,060.43x = 340,229,957,179.68
  5. Step 5: Solve for x
    x = 340,229,957,179.68/660,060.43
  6. Step 6: Final answer
    x = 515,452.74

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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.