Home / 558,859.88-771,327.28-329,403.77

Finding the Fourth Proportional to 558,859.88, 771,327.28 and 329,403.77

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Solution

The fourth proportional to 558,859.88, 771,327.28 and 329,403.77 is: 454,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,859.88 : 771,327.28 = 329,403.77 : x
  2. Step 2: Convert to fraction form
    558,859.88/771,327.28 = 329,403.77/x
  3. Step 3: Cross multiply
    558,859.88x = 771,327.28 × 329,403.77
  4. Step 4: Simplify right side
    558,859.88x = 254,078,109,255.70
  5. Step 5: Solve for x
    x = 254,078,109,255.70/558,859.88
  6. Step 6: Final answer
    x = 454,636.52

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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.