Home / 976,678.20-1,465,017.30-808,716.60

Finding the Fourth Proportional to 976,678.20, 1,465,017.30 and 808,716.60

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Solution

The fourth proportional to 976,678.20, 1,465,017.30 and 808,716.60 is: 1,213,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,678.20 : 1,465,017.30 = 808,716.60 : x
  2. Step 2: Convert to fraction form
    976,678.20/1,465,017.30 = 808,716.60/x
  3. Step 3: Cross multiply
    976,678.20x = 1,465,017.30 × 808,716.60
  4. Step 4: Simplify right side
    976,678.20x = 1,184,783,809,797.18
  5. Step 5: Solve for x
    x = 1,184,783,809,797.18/976,678.20
  6. Step 6: Final answer
    x = 1,213,074.90

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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.