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Finding the Fourth Proportional to 593,256.66, 818,689.23 and 321,318.24

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Solution

The fourth proportional to 593,256.66, 818,689.23 and 321,318.24 is: 443,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,256.66 : 818,689.23 = 321,318.24 : x
  2. Step 2: Convert to fraction form
    593,256.66/818,689.23 = 321,318.24/x
  3. Step 3: Cross multiply
    593,256.66x = 818,689.23 × 321,318.24
  4. Step 4: Simplify right side
    593,256.66x = 263,059,782,490.56
  5. Step 5: Solve for x
    x = 263,059,782,490.56/593,256.66
  6. Step 6: Final answer
    x = 443,416.48

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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.