Home / 787,825.92-1,181,740.80-314,549.76

Finding the Fourth Proportional to 787,825.92, 1,181,740.80 and 314,549.76

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Solution

The fourth proportional to 787,825.92, 1,181,740.80 and 314,549.76 is: 471,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,825.92 : 1,181,740.80 = 314,549.76 : x
  2. Step 2: Convert to fraction form
    787,825.92/1,181,740.80 = 314,549.76/x
  3. Step 3: Cross multiply
    787,825.92x = 1,181,740.80 × 314,549.76
  4. Step 4: Simplify right side
    787,825.92x = 371,716,285,022.21
  5. Step 5: Solve for x
    x = 371,716,285,022.21/787,825.92
  6. Step 6: Final answer
    x = 471,825.41

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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.