Home / 676,828.58-1,015,245.12-171,389.30

Finding the Fourth Proportional to 676,828.58, 1,015,245.12 and 171,389.30

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Solution

The fourth proportional to 676,828.58, 1,015,245.12 and 171,389.30 is: 257,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,828.58 : 1,015,245.12 = 171,389.30 : x
  2. Step 2: Convert to fraction form
    676,828.58/1,015,245.12 = 171,389.30/x
  3. Step 3: Cross multiply
    676,828.58x = 1,015,245.12 × 171,389.30
  4. Step 4: Simplify right side
    676,828.58x = 174,002,150,445.22
  5. Step 5: Solve for x
    x = 174,002,150,445.22/676,828.58
  6. Step 6: Final answer
    x = 257,084.52

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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.