Home / 550,400.20-824,579.70-313,037.80

Finding the Fourth Proportional to 550,400.20, 824,579.70 and 313,037.80

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Solution

The fourth proportional to 550,400.20, 824,579.70 and 313,037.80 is: 468,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,400.20 : 824,579.70 = 313,037.80 : x
  2. Step 2: Convert to fraction form
    550,400.20/824,579.70 = 313,037.80/x
  3. Step 3: Cross multiply
    550,400.20x = 824,579.70 × 313,037.80
  4. Step 4: Simplify right side
    550,400.20x = 258,124,615,212.66
  5. Step 5: Solve for x
    x = 258,124,615,212.66/550,400.20
  6. Step 6: Final answer
    x = 468,976.24

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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.