Home / 787,438.86-1,181,346.48-254,960.52

Finding the Fourth Proportional to 787,438.86, 1,181,346.48 and 254,960.52

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Solution

The fourth proportional to 787,438.86, 1,181,346.48 and 254,960.52 is: 382,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,438.86 : 1,181,346.48 = 254,960.52 : x
  2. Step 2: Convert to fraction form
    787,438.86/1,181,346.48 = 254,960.52/x
  3. Step 3: Cross multiply
    787,438.86x = 1,181,346.48 × 254,960.52
  4. Step 4: Simplify right side
    787,438.86x = 301,196,712,840.97
  5. Step 5: Solve for x
    x = 301,196,712,840.97/787,438.86
  6. Step 6: Final answer
    x = 382,501.71

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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.