Home / 741,479.34-1,023,275.64-419,203.02

Finding the Fourth Proportional to 741,479.34, 1,023,275.64 and 419,203.02

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Solution

The fourth proportional to 741,479.34, 1,023,275.64 and 419,203.02 is: 578,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,479.34 : 1,023,275.64 = 419,203.02 : x
  2. Step 2: Convert to fraction form
    741,479.34/1,023,275.64 = 419,203.02/x
  3. Step 3: Cross multiply
    741,479.34x = 1,023,275.64 × 419,203.02
  4. Step 4: Simplify right side
    741,479.34x = 428,960,238,580.43
  5. Step 5: Solve for x
    x = 428,960,238,580.43/741,479.34
  6. Step 6: Final answer
    x = 578,519.48

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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.