Home / 976,871.80-1,465,745.10-444,118.60

Finding the Fourth Proportional to 976,871.80, 1,465,745.10 and 444,118.60

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Solution

The fourth proportional to 976,871.80, 1,465,745.10 and 444,118.60 is: 666,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,871.80 : 1,465,745.10 = 444,118.60 : x
  2. Step 2: Convert to fraction form
    976,871.80/1,465,745.10 = 444,118.60/x
  3. Step 3: Cross multiply
    976,871.80x = 1,465,745.10 × 444,118.60
  4. Step 4: Simplify right side
    976,871.80x = 650,964,661,768.86
  5. Step 5: Solve for x
    x = 650,964,661,768.86/976,871.80
  6. Step 6: Final answer
    x = 666,376.76

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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.