Home / 778,009.92-1,166,734.02-328,765.46

Finding the Fourth Proportional to 778,009.92, 1,166,734.02 and 328,765.46

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Solution

The fourth proportional to 778,009.92, 1,166,734.02 and 328,765.46 is: 493,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,009.92 : 1,166,734.02 = 328,765.46 : x
  2. Step 2: Convert to fraction form
    778,009.92/1,166,734.02 = 328,765.46/x
  3. Step 3: Cross multiply
    778,009.92x = 1,166,734.02 × 328,765.46
  4. Step 4: Simplify right side
    778,009.92x = 383,581,846,782.95
  5. Step 5: Solve for x
    x = 383,581,846,782.95/778,009.92
  6. Step 6: Final answer
    x = 493,029.51

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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.