Home / 778,148.40-1,167,441.30-329,084.40

Finding the Fourth Proportional to 778,148.40, 1,167,441.30 and 329,084.40

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Solution

The fourth proportional to 778,148.40, 1,167,441.30 and 329,084.40 is: 493,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,148.40 : 1,167,441.30 = 329,084.40 : x
  2. Step 2: Convert to fraction form
    778,148.40/1,167,441.30 = 329,084.40/x
  3. Step 3: Cross multiply
    778,148.40x = 1,167,441.30 × 329,084.40
  4. Step 4: Simplify right side
    778,148.40x = 384,186,719,745.72
  5. Step 5: Solve for x
    x = 384,186,719,745.72/778,148.40
  6. Step 6: Final answer
    x = 493,719.09

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1.5x scale

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.