Home / 787,460.43-1,181,362.90-255,035.28

Finding the Fourth Proportional to 787,460.43, 1,181,362.90 and 255,035.28

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Solution

The fourth proportional to 787,460.43, 1,181,362.90 and 255,035.28 is: 382,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,460.43 : 1,181,362.90 = 255,035.28 : x
  2. Step 2: Convert to fraction form
    787,460.43/1,181,362.90 = 255,035.28/x
  3. Step 3: Cross multiply
    787,460.43x = 1,181,362.90 × 255,035.28
  4. Step 4: Simplify right side
    787,460.43x = 301,289,217,983.11
  5. Step 5: Solve for x
    x = 301,289,217,983.11/787,460.43
  6. Step 6: Final answer
    x = 382,608.71

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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.