Home / 519,885.64-779,856.18-164,928.04

Finding the Fourth Proportional to 519,885.64, 779,856.18 and 164,928.04

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Solution

The fourth proportional to 519,885.64, 779,856.18 and 164,928.04 is: 247,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,885.64 : 779,856.18 = 164,928.04 : x
  2. Step 2: Convert to fraction form
    519,885.64/779,856.18 = 164,928.04/x
  3. Step 3: Cross multiply
    519,885.64x = 779,856.18 × 164,928.04
  4. Step 4: Simplify right side
    519,885.64x = 128,620,151,249.29
  5. Step 5: Solve for x
    x = 128,620,151,249.29/519,885.64
  6. Step 6: Final answer
    x = 247,400.85

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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.