Home / 813,466.92-1,122,651.54-451,004.46

Finding the Fourth Proportional to 813,466.92, 1,122,651.54 and 451,004.46

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Solution

The fourth proportional to 813,466.92, 1,122,651.54 and 451,004.46 is: 622,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,466.92 : 1,122,651.54 = 451,004.46 : x
  2. Step 2: Convert to fraction form
    813,466.92/1,122,651.54 = 451,004.46/x
  3. Step 3: Cross multiply
    813,466.92x = 1,122,651.54 × 451,004.46
  4. Step 4: Simplify right side
    813,466.92x = 506,320,851,565.87
  5. Step 5: Solve for x
    x = 506,320,851,565.87/813,466.92
  6. Step 6: Final answer
    x = 622,423.41

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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.