Home / 493,024.57-680,360.11-278,184.63

Finding the Fourth Proportional to 493,024.57, 680,360.11 and 278,184.63

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Solution

The fourth proportional to 493,024.57, 680,360.11 and 278,184.63 is: 383,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,024.57 : 680,360.11 = 278,184.63 : x
  2. Step 2: Convert to fraction form
    493,024.57/680,360.11 = 278,184.63/x
  3. Step 3: Cross multiply
    493,024.57x = 680,360.11 × 278,184.63
  4. Step 4: Simplify right side
    493,024.57x = 189,265,723,495.97
  5. Step 5: Solve for x
    x = 189,265,723,495.97/493,024.57
  6. Step 6: Final answer
    x = 383,887.00

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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.