Home / 611,538.42-844,322.70-397,289.10

Finding the Fourth Proportional to 611,538.42, 844,322.70 and 397,289.10

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Solution

The fourth proportional to 611,538.42, 844,322.70 and 397,289.10 is: 548,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,538.42 : 844,322.70 = 397,289.10 : x
  2. Step 2: Convert to fraction form
    611,538.42/844,322.70 = 397,289.10/x
  3. Step 3: Cross multiply
    611,538.42x = 844,322.70 × 397,289.10
  4. Step 4: Simplify right side
    611,538.42x = 335,440,205,592.57
  5. Step 5: Solve for x
    x = 335,440,205,592.57/611,538.42
  6. Step 6: Final answer
    x = 548,518.61

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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.