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Finding the Fourth Proportional to 662,410.60, 992,595.30 and 493,136.80

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Solution

The fourth proportional to 662,410.60, 992,595.30 and 493,136.80 is: 738,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,410.60 : 992,595.30 = 493,136.80 : x
  2. Step 2: Convert to fraction form
    662,410.60/992,595.30 = 493,136.80/x
  3. Step 3: Cross multiply
    662,410.60x = 992,595.30 × 493,136.80
  4. Step 4: Simplify right side
    662,410.60x = 489,485,269,937.04
  5. Step 5: Solve for x
    x = 489,485,269,937.04/662,410.60
  6. Step 6: Final answer
    x = 738,945.41

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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.