Home / 741,086.04-1,022,750.64-418,825.92

Finding the Fourth Proportional to 741,086.04, 1,022,750.64 and 418,825.92

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Solution

The fourth proportional to 741,086.04, 1,022,750.64 and 418,825.92 is: 578,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,086.04 : 1,022,750.64 = 418,825.92 : x
  2. Step 2: Convert to fraction form
    741,086.04/1,022,750.64 = 418,825.92/x
  3. Step 3: Cross multiply
    741,086.04x = 1,022,750.64 × 418,825.92
  4. Step 4: Simplify right side
    741,086.04x = 428,354,477,728.59
  5. Step 5: Solve for x
    x = 428,354,477,728.59/741,086.04
  6. Step 6: Final answer
    x = 578,009.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.