Home / 429,388.12-592,512.30-238,380.76

Finding the Fourth Proportional to 429,388.12, 592,512.30 and 238,380.76

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Solution

The fourth proportional to 429,388.12, 592,512.30 and 238,380.76 is: 328,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,388.12 : 592,512.30 = 238,380.76 : x
  2. Step 2: Convert to fraction form
    429,388.12/592,512.30 = 238,380.76/x
  3. Step 3: Cross multiply
    429,388.12x = 592,512.30 × 238,380.76
  4. Step 4: Simplify right side
    429,388.12x = 141,243,532,383.35
  5. Step 5: Solve for x
    x = 141,243,532,383.35/429,388.12
  6. Step 6: Final answer
    x = 328,941.41

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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.