Home / 766,678.43-1,150,551.26-317,401.62

Finding the Fourth Proportional to 766,678.43, 1,150,551.26 and 317,401.62

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Solution

The fourth proportional to 766,678.43, 1,150,551.26 and 317,401.62 is: 476,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,678.43 : 1,150,551.26 = 317,401.62 : x
  2. Step 2: Convert to fraction form
    766,678.43/1,150,551.26 = 317,401.62/x
  3. Step 3: Cross multiply
    766,678.43x = 1,150,551.26 × 317,401.62
  4. Step 4: Simplify right side
    766,678.43x = 365,186,832,230.03
  5. Step 5: Solve for x
    x = 365,186,832,230.03/766,678.43
  6. Step 6: Final answer
    x = 476,323.35

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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.