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Finding the Fourth Proportional to 593,007.28, 818,334.88 and 331,364.76

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Solution

The fourth proportional to 593,007.28, 818,334.88 and 331,364.76 is: 457,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,007.28 : 818,334.88 = 331,364.76 : x
  2. Step 2: Convert to fraction form
    593,007.28/818,334.88 = 331,364.76/x
  3. Step 3: Cross multiply
    593,007.28x = 818,334.88 × 331,364.76
  4. Step 4: Simplify right side
    593,007.28x = 271,167,341,110.83
  5. Step 5: Solve for x
    x = 271,167,341,110.83/593,007.28
  6. Step 6: Final answer
    x = 457,274.89

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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.