Home / 684,768.80-1,027,153.20-329,697.20

Finding the Fourth Proportional to 684,768.80, 1,027,153.20 and 329,697.20

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Solution

The fourth proportional to 684,768.80, 1,027,153.20 and 329,697.20 is: 494,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,768.80 : 1,027,153.20 = 329,697.20 : x
  2. Step 2: Convert to fraction form
    684,768.80/1,027,153.20 = 329,697.20/x
  3. Step 3: Cross multiply
    684,768.80x = 1,027,153.20 × 329,697.20
  4. Step 4: Simplify right side
    684,768.80x = 338,649,534,011.04
  5. Step 5: Solve for x
    x = 338,649,534,011.04/684,768.80
  6. Step 6: Final answer
    x = 494,545.80

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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.