Home / 628,846.20-943,269.30-376,903.80

Finding the Fourth Proportional to 628,846.20, 943,269.30 and 376,903.80

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Solution

The fourth proportional to 628,846.20, 943,269.30 and 376,903.80 is: 565,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,846.20 : 943,269.30 = 376,903.80 : x
  2. Step 2: Convert to fraction form
    628,846.20/943,269.30 = 376,903.80/x
  3. Step 3: Cross multiply
    628,846.20x = 943,269.30 × 376,903.80
  4. Step 4: Simplify right side
    628,846.20x = 355,521,783,593.34
  5. Step 5: Solve for x
    x = 355,521,783,593.34/628,846.20
  6. Step 6: Final answer
    x = 565,355.70

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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.