Home / 771,496.37-1,157,429.31-321,967.18

Finding the Fourth Proportional to 771,496.37, 1,157,429.31 and 321,967.18

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Solution

The fourth proportional to 771,496.37, 1,157,429.31 and 321,967.18 is: 483,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,496.37 : 1,157,429.31 = 321,967.18 : x
  2. Step 2: Convert to fraction form
    771,496.37/1,157,429.31 = 321,967.18/x
  3. Step 3: Cross multiply
    771,496.37x = 1,157,429.31 × 321,967.18
  4. Step 4: Simplify right side
    771,496.37x = 372,654,250,238.03
  5. Step 5: Solve for x
    x = 372,654,250,238.03/771,496.37
  6. Step 6: Final answer
    x = 483,027.87

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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.