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Finding the Fourth Proportional to 681,582.24, 940,637.52 and 375,713

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Solution

The fourth proportional to 681,582.24, 940,637.52 and 375,713 is: 518,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,582.24 : 940,637.52 = 375,713 : x
  2. Step 2: Convert to fraction form
    681,582.24/940,637.52 = 375,713/x
  3. Step 3: Cross multiply
    681,582.24x = 940,637.52 × 375,713
  4. Step 4: Simplify right side
    681,582.24x = 353,409,744,551.76
  5. Step 5: Solve for x
    x = 353,409,744,551.76/681,582.24
  6. Step 6: Final answer
    x = 518,513.72

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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.