Home / 976,739.80-1,464,915.30-471,299.80

Finding the Fourth Proportional to 976,739.80, 1,464,915.30 and 471,299.80

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Solution

The fourth proportional to 976,739.80, 1,464,915.30 and 471,299.80 is: 706,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,739.80 : 1,464,915.30 = 471,299.80 : x
  2. Step 2: Convert to fraction form
    976,739.80/1,464,915.30 = 471,299.80/x
  3. Step 3: Cross multiply
    976,739.80x = 1,464,915.30 × 471,299.80
  4. Step 4: Simplify right side
    976,739.80x = 690,414,287,906.94
  5. Step 5: Solve for x
    x = 690,414,287,906.94/976,739.80
  6. Step 6: Final answer
    x = 706,855.90

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1.5x scale

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.