Home / 940,829.28-1,411,462.80-309,748.56

Finding the Fourth Proportional to 940,829.28, 1,411,462.80 and 309,748.56

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Solution

The fourth proportional to 940,829.28, 1,411,462.80 and 309,748.56 is: 464,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,829.28 : 1,411,462.80 = 309,748.56 : x
  2. Step 2: Convert to fraction form
    940,829.28/1,411,462.80 = 309,748.56/x
  3. Step 3: Cross multiply
    940,829.28x = 1,411,462.80 × 309,748.56
  4. Step 4: Simplify right side
    940,829.28x = 437,198,569,793.57
  5. Step 5: Solve for x
    x = 437,198,569,793.57/940,829.28
  6. Step 6: Final answer
    x = 464,694.90

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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.