Home / 663,910.16-993,927.56-493,886.03

Finding the Fourth Proportional to 663,910.16, 993,927.56 and 493,886.03

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Solution

The fourth proportional to 663,910.16, 993,927.56 and 493,886.03 is: 739,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,910.16 : 993,927.56 = 493,886.03 : x
  2. Step 2: Convert to fraction form
    663,910.16/993,927.56 = 493,886.03/x
  3. Step 3: Cross multiply
    663,910.16x = 993,927.56 × 493,886.03
  4. Step 4: Simplify right side
    663,910.16x = 490,886,929,276.92
  5. Step 5: Solve for x
    x = 490,886,929,276.92/663,910.16
  6. Step 6: Final answer
    x = 739,387.59

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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.