Home / 681,446.40-940,402.25-375,533.75

Finding the Fourth Proportional to 681,446.40, 940,402.25 and 375,533.75

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Solution

The fourth proportional to 681,446.40, 940,402.25 and 375,533.75 is: 518,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,446.40 : 940,402.25 = 375,533.75 : x
  2. Step 2: Convert to fraction form
    681,446.40/940,402.25 = 375,533.75/x
  3. Step 3: Cross multiply
    681,446.40x = 940,402.25 × 375,533.75
  4. Step 4: Simplify right side
    681,446.40x = 353,152,787,444.90
  5. Step 5: Solve for x
    x = 353,152,787,444.90/681,446.40
  6. Step 6: Final answer
    x = 518,240.01

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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.