Home / 834,406.64-1,251,658.36-322,074.72

Finding the Fourth Proportional to 834,406.64, 1,251,658.36 and 322,074.72

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Solution

The fourth proportional to 834,406.64, 1,251,658.36 and 322,074.72 is: 483,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,406.64 : 1,251,658.36 = 322,074.72 : x
  2. Step 2: Convert to fraction form
    834,406.64/1,251,658.36 = 322,074.72/x
  3. Step 3: Cross multiply
    834,406.64x = 1,251,658.36 × 322,074.72
  4. Step 4: Simplify right side
    834,406.64x = 403,127,515,832.66
  5. Step 5: Solve for x
    x = 403,127,515,832.66/834,406.64
  6. Step 6: Final answer
    x = 483,130.76

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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.