Home / 977,499.80-1,466,249.70-658,635.20

Finding the Fourth Proportional to 977,499.80, 1,466,249.70 and 658,635.20

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Solution

The fourth proportional to 977,499.80, 1,466,249.70 and 658,635.20 is: 987,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,499.80 : 1,466,249.70 = 658,635.20 : x
  2. Step 2: Convert to fraction form
    977,499.80/1,466,249.70 = 658,635.20/x
  3. Step 3: Cross multiply
    977,499.80x = 1,466,249.70 × 658,635.20
  4. Step 4: Simplify right side
    977,499.80x = 965,723,664,409.44
  5. Step 5: Solve for x
    x = 965,723,664,409.44/977,499.80
  6. Step 6: Final answer
    x = 987,952.80

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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.