Home / 787,852.16-1,181,850.24-314,422.40

Finding the Fourth Proportional to 787,852.16, 1,181,850.24 and 314,422.40

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Solution

The fourth proportional to 787,852.16, 1,181,850.24 and 314,422.40 is: 471,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,852.16 : 1,181,850.24 = 314,422.40 : x
  2. Step 2: Convert to fraction form
    787,852.16/1,181,850.24 = 314,422.40/x
  3. Step 3: Cross multiply
    787,852.16x = 1,181,850.24 × 314,422.40
  4. Step 4: Simplify right side
    787,852.16x = 371,600,188,901.38
  5. Step 5: Solve for x
    x = 371,600,188,901.38/787,852.16
  6. Step 6: Final answer
    x = 471,662.33

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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.