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Finding the Fourth Proportional to 510,022.92, 703,436.22 and 328,764.36

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Solution

The fourth proportional to 510,022.92, 703,436.22 and 328,764.36 is: 453,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,022.92 : 703,436.22 = 328,764.36 : x
  2. Step 2: Convert to fraction form
    510,022.92/703,436.22 = 328,764.36/x
  3. Step 3: Cross multiply
    510,022.92x = 703,436.22 × 328,764.36
  4. Step 4: Simplify right side
    510,022.92x = 231,264,758,669.12
  5. Step 5: Solve for x
    x = 231,264,758,669.12/510,022.92
  6. Step 6: Final answer
    x = 453,439.93

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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.