Home / 558,859.36-771,326.57-329,403.25

Finding the Fourth Proportional to 558,859.36, 771,326.57 and 329,403.25

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Solution

The fourth proportional to 558,859.36, 771,326.57 and 329,403.25 is: 454,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,859.36 : 771,326.57 = 329,403.25 : x
  2. Step 2: Convert to fraction form
    558,859.36/771,326.57 = 329,403.25/x
  3. Step 3: Cross multiply
    558,859.36x = 771,326.57 × 329,403.25
  4. Step 4: Simplify right side
    558,859.36x = 254,077,478,286.49
  5. Step 5: Solve for x
    x = 254,077,478,286.49/558,859.36
  6. Step 6: Final answer
    x = 454,635.81

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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.