Home / 907,874.20-1,361,811.30-603,443.80

Finding the Fourth Proportional to 907,874.20, 1,361,811.30 and 603,443.80

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Solution

The fourth proportional to 907,874.20, 1,361,811.30 and 603,443.80 is: 905,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,874.20 : 1,361,811.30 = 603,443.80 : x
  2. Step 2: Convert to fraction form
    907,874.20/1,361,811.30 = 603,443.80/x
  3. Step 3: Cross multiply
    907,874.20x = 1,361,811.30 × 603,443.80
  4. Step 4: Simplify right side
    907,874.20x = 821,776,585,754.94
  5. Step 5: Solve for x
    x = 821,776,585,754.94/907,874.20
  6. Step 6: Final answer
    x = 905,165.70

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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.