Home / 402,311.19-603,994.51-269,784.66

Finding the Fourth Proportional to 402,311.19, 603,994.51 and 269,784.66

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Solution

The fourth proportional to 402,311.19, 603,994.51 and 269,784.66 is: 405,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,311.19 : 603,994.51 = 269,784.66 : x
  2. Step 2: Convert to fraction form
    402,311.19/603,994.51 = 269,784.66/x
  3. Step 3: Cross multiply
    402,311.19x = 603,994.51 × 269,784.66
  4. Step 4: Simplify right side
    402,311.19x = 162,948,453,522.22
  5. Step 5: Solve for x
    x = 162,948,453,522.22/402,311.19
  6. Step 6: Final answer
    x = 405,030.88

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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.