Home / 947,603.14-1,420,738.97-331,956.49

Finding the Fourth Proportional to 947,603.14, 1,420,738.97 and 331,956.49

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Solution

The fourth proportional to 947,603.14, 1,420,738.97 and 331,956.49 is: 497,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,603.14 : 1,420,738.97 = 331,956.49 : x
  2. Step 2: Convert to fraction form
    947,603.14/1,420,738.97 = 331,956.49/x
  3. Step 3: Cross multiply
    947,603.14x = 1,420,738.97 × 331,956.49
  4. Step 4: Simplify right side
    947,603.14x = 471,623,516,475.79
  5. Step 5: Solve for x
    x = 471,623,516,475.79/947,603.14
  6. Step 6: Final answer
    x = 497,701.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.