Home / 741,612.36-1,023,446.64-419,315.54

Finding the Fourth Proportional to 741,612.36, 1,023,446.64 and 419,315.54

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Solution

The fourth proportional to 741,612.36, 1,023,446.64 and 419,315.54 is: 578,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,612.36 : 1,023,446.64 = 419,315.54 : x
  2. Step 2: Convert to fraction form
    741,612.36/1,023,446.64 = 419,315.54/x
  3. Step 3: Cross multiply
    741,612.36x = 1,023,446.64 × 419,315.54
  4. Step 4: Simplify right side
    741,612.36x = 429,147,080,512.79
  5. Step 5: Solve for x
    x = 429,147,080,512.79/741,612.36
  6. Step 6: Final answer
    x = 578,667.65

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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.