Home / 821,925.17-1,232,890.07-253,287.92

Finding the Fourth Proportional to 821,925.17, 1,232,890.07 and 253,287.92

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Solution

The fourth proportional to 821,925.17, 1,232,890.07 and 253,287.92 is: 379,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,925.17 : 1,232,890.07 = 253,287.92 : x
  2. Step 2: Convert to fraction form
    821,925.17/1,232,890.07 = 253,287.92/x
  3. Step 3: Cross multiply
    821,925.17x = 1,232,890.07 × 253,287.92
  4. Step 4: Simplify right side
    821,925.17x = 312,276,157,968.01
  5. Step 5: Solve for x
    x = 312,276,157,968.01/821,925.17
  6. Step 6: Final answer
    x = 379,932.59

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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.