Home / 771,484.92-1,157,410.74-321,956.04

Finding the Fourth Proportional to 771,484.92, 1,157,410.74 and 321,956.04

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Solution

The fourth proportional to 771,484.92, 1,157,410.74 and 321,956.04 is: 483,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,484.92 : 1,157,410.74 = 321,956.04 : x
  2. Step 2: Convert to fraction form
    771,484.92/1,157,410.74 = 321,956.04/x
  3. Step 3: Cross multiply
    771,484.92x = 1,157,410.74 × 321,956.04
  4. Step 4: Simplify right side
    771,484.92x = 372,635,378,503.87
  5. Step 5: Solve for x
    x = 372,635,378,503.87/771,484.92
  6. Step 6: Final answer
    x = 483,010.58

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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.