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Finding the Fourth Proportional to 593,286.18, 818,509.02 and 438,608.88

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Solution

The fourth proportional to 593,286.18, 818,509.02 and 438,608.88 is: 605,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,286.18 : 818,509.02 = 438,608.88 : x
  2. Step 2: Convert to fraction form
    593,286.18/818,509.02 = 438,608.88/x
  3. Step 3: Cross multiply
    593,286.18x = 818,509.02 × 438,608.88
  4. Step 4: Simplify right side
    593,286.18x = 359,005,324,532.10
  5. Step 5: Solve for x
    x = 359,005,324,532.10/593,286.18
  6. Step 6: Final answer
    x = 605,113.24

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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.