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Finding the Fourth Proportional to 522,008.74, 720,106.77 and 325,612.90

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Solution

The fourth proportional to 522,008.74, 720,106.77 and 325,612.90 is: 449,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,008.74 : 720,106.77 = 325,612.90 : x
  2. Step 2: Convert to fraction form
    522,008.74/720,106.77 = 325,612.90/x
  3. Step 3: Cross multiply
    522,008.74x = 720,106.77 × 325,612.90
  4. Step 4: Simplify right side
    522,008.74x = 234,476,053,689.33
  5. Step 5: Solve for x
    x = 234,476,053,689.33/522,008.74
  6. Step 6: Final answer
    x = 449,180.32

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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.