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Finding the Fourth Proportional to 508,512.58, 701,696.22 and 304,558.13

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Solution

The fourth proportional to 508,512.58, 701,696.22 and 304,558.13 is: 420,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,512.58 : 701,696.22 = 304,558.13 : x
  2. Step 2: Convert to fraction form
    508,512.58/701,696.22 = 304,558.13/x
  3. Step 3: Cross multiply
    508,512.58x = 701,696.22 × 304,558.13
  4. Step 4: Simplify right side
    508,512.58x = 213,707,285,256.38
  5. Step 5: Solve for x
    x = 213,707,285,256.38/508,512.58
  6. Step 6: Final answer
    x = 420,259.58

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1.5x scale

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.