Home / 766,678.93-1,150,552.01-317,402.12

Finding the Fourth Proportional to 766,678.93, 1,150,552.01 and 317,402.12

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Solution

The fourth proportional to 766,678.93, 1,150,552.01 and 317,402.12 is: 476,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,678.93 : 1,150,552.01 = 317,402.12 : x
  2. Step 2: Convert to fraction form
    766,678.93/1,150,552.01 = 317,402.12/x
  3. Step 3: Cross multiply
    766,678.93x = 1,150,552.01 × 317,402.12
  4. Step 4: Simplify right side
    766,678.93x = 365,187,645,557.25
  5. Step 5: Solve for x
    x = 365,187,645,557.25/766,678.93
  6. Step 6: Final answer
    x = 476,324.10

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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.