Home / 976,912.60-1,465,628.10-345,760.60

Finding the Fourth Proportional to 976,912.60, 1,465,628.10 and 345,760.60

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Solution

The fourth proportional to 976,912.60, 1,465,628.10 and 345,760.60 is: 518,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,912.60 : 1,465,628.10 = 345,760.60 : x
  2. Step 2: Convert to fraction form
    976,912.60/1,465,628.10 = 345,760.60/x
  3. Step 3: Cross multiply
    976,912.60x = 1,465,628.10 × 345,760.60
  4. Step 4: Simplify right side
    976,912.60x = 506,756,451,232.86
  5. Step 5: Solve for x
    x = 506,756,451,232.86/976,912.60
  6. Step 6: Final answer
    x = 518,732.64

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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.