Home / 741,455.34-1,023,242.52-419,179.02

Finding the Fourth Proportional to 741,455.34, 1,023,242.52 and 419,179.02

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Solution

The fourth proportional to 741,455.34, 1,023,242.52 and 419,179.02 is: 578,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,455.34 : 1,023,242.52 = 419,179.02 : x
  2. Step 2: Convert to fraction form
    741,455.34/1,023,242.52 = 419,179.02/x
  3. Step 3: Cross multiply
    741,455.34x = 1,023,242.52 × 419,179.02
  4. Step 4: Simplify right side
    741,455.34x = 428,921,796,755.93
  5. Step 5: Solve for x
    x = 428,921,796,755.93/741,455.34
  6. Step 6: Final answer
    x = 578,486.35

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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.