Home / 609,280.37-840,542.20-367,428.55

Finding the Fourth Proportional to 609,280.37, 840,542.20 and 367,428.55

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Solution

The fourth proportional to 609,280.37, 840,542.20 and 367,428.55 is: 506,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,280.37 : 840,542.20 = 367,428.55 : x
  2. Step 2: Convert to fraction form
    609,280.37/840,542.20 = 367,428.55/x
  3. Step 3: Cross multiply
    609,280.37x = 840,542.20 × 367,428.55
  4. Step 4: Simplify right side
    609,280.37x = 308,839,197,557.10
  5. Step 5: Solve for x
    x = 308,839,197,557.10/609,280.37
  6. Step 6: Final answer
    x = 506,891.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.