Home / 829,208.52-1,243,819.76-230,216.40

Finding the Fourth Proportional to 829,208.52, 1,243,819.76 and 230,216.40

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Solution

The fourth proportional to 829,208.52, 1,243,819.76 and 230,216.40 is: 345,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,208.52 : 1,243,819.76 = 230,216.40 : x
  2. Step 2: Convert to fraction form
    829,208.52/1,243,819.76 = 230,216.40/x
  3. Step 3: Cross multiply
    829,208.52x = 1,243,819.76 × 230,216.40
  4. Step 4: Simplify right side
    829,208.52x = 286,347,706,244.98
  5. Step 5: Solve for x
    x = 286,347,706,244.98/829,208.52
  6. Step 6: Final answer
    x = 345,326.54

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1.5x scale

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.