Home / 737,864.20-1,107,314.70-317,441.80

Finding the Fourth Proportional to 737,864.20, 1,107,314.70 and 317,441.80

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Solution

The fourth proportional to 737,864.20, 1,107,314.70 and 317,441.80 is: 476,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,864.20 : 1,107,314.70 = 317,441.80 : x
  2. Step 2: Convert to fraction form
    737,864.20/1,107,314.70 = 317,441.80/x
  3. Step 3: Cross multiply
    737,864.20x = 1,107,314.70 × 317,441.80
  4. Step 4: Simplify right side
    737,864.20x = 351,507,971,534.46
  5. Step 5: Solve for x
    x = 351,507,971,534.46/737,864.20
  6. Step 6: Final answer
    x = 476,385.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.