Home / 662,890.60-993,315.30-493,616.80

Finding the Fourth Proportional to 662,890.60, 993,315.30 and 493,616.80

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Solution

The fourth proportional to 662,890.60, 993,315.30 and 493,616.80 is: 739,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,890.60 : 993,315.30 = 493,616.80 : x
  2. Step 2: Convert to fraction form
    662,890.60/993,315.30 = 493,616.80/x
  3. Step 3: Cross multiply
    662,890.60x = 993,315.30 × 493,616.80
  4. Step 4: Simplify right side
    662,890.60x = 490,317,119,777.04
  5. Step 5: Solve for x
    x = 490,317,119,777.04/662,890.60
  6. Step 6: Final answer
    x = 739,665.22

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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.