Home / 778,800.85-1,168,201.28-329,405.16

Finding the Fourth Proportional to 778,800.85, 1,168,201.28 and 329,405.16

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Solution

The fourth proportional to 778,800.85, 1,168,201.28 and 329,405.16 is: 494,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,800.85 : 1,168,201.28 = 329,405.16 : x
  2. Step 2: Convert to fraction form
    778,800.85/1,168,201.28 = 329,405.16/x
  3. Step 3: Cross multiply
    778,800.85x = 1,168,201.28 × 329,405.16
  4. Step 4: Simplify right side
    778,800.85x = 384,811,529,550.61
  5. Step 5: Solve for x
    x = 384,811,529,550.61/778,800.85
  6. Step 6: Final answer
    x = 494,107.74

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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.