Home / 821,252.91-1,133,217.03-458,630.55

Finding the Fourth Proportional to 821,252.91, 1,133,217.03 and 458,630.55

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Solution

The fourth proportional to 821,252.91, 1,133,217.03 and 458,630.55 is: 632,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,252.91 : 1,133,217.03 = 458,630.55 : x
  2. Step 2: Convert to fraction form
    821,252.91/1,133,217.03 = 458,630.55/x
  3. Step 3: Cross multiply
    821,252.91x = 1,133,217.03 × 458,630.55
  4. Step 4: Simplify right side
    821,252.91x = 519,727,949,738.27
  5. Step 5: Solve for x
    x = 519,727,949,738.27/821,252.91
  6. Step 6: Final answer
    x = 632,847.62

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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.