Home / 771,086.36-1,063,972.22-484,403.42

Finding the Fourth Proportional to 771,086.36, 1,063,972.22 and 484,403.42

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Solution

The fourth proportional to 771,086.36, 1,063,972.22 and 484,403.42 is: 668,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,086.36 : 1,063,972.22 = 484,403.42 : x
  2. Step 2: Convert to fraction form
    771,086.36/1,063,972.22 = 484,403.42/x
  3. Step 3: Cross multiply
    771,086.36x = 1,063,972.22 × 484,403.42
  4. Step 4: Simplify right side
    771,086.36x = 515,391,782,152.99
  5. Step 5: Solve for x
    x = 515,391,782,152.99/771,086.36
  6. Step 6: Final answer
    x = 668,396.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.