Home / 778,247.20-1,166,722.80-329,312.80

Finding the Fourth Proportional to 778,247.20, 1,166,722.80 and 329,312.80

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Solution

The fourth proportional to 778,247.20, 1,166,722.80 and 329,312.80 is: 493,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,247.20 : 1,166,722.80 = 329,312.80 : x
  2. Step 2: Convert to fraction form
    778,247.20/1,166,722.80 = 329,312.80/x
  3. Step 3: Cross multiply
    778,247.20x = 1,166,722.80 × 329,312.80
  4. Step 4: Simplify right side
    778,247.20x = 384,216,752,091.84
  5. Step 5: Solve for x
    x = 384,216,752,091.84/778,247.20
  6. Step 6: Final answer
    x = 493,695.00

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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.