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Finding the Fourth Proportional to 522,002.71, 720,414.30 and 292,599.01

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Solution

The fourth proportional to 522,002.71, 720,414.30 and 292,599.01 is: 403,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,002.71 : 720,414.30 = 292,599.01 : x
  2. Step 2: Convert to fraction form
    522,002.71/720,414.30 = 292,599.01/x
  3. Step 3: Cross multiply
    522,002.71x = 720,414.30 × 292,599.01
  4. Step 4: Simplify right side
    522,002.71x = 210,792,510,969.84
  5. Step 5: Solve for x
    x = 210,792,510,969.84/522,002.71
  6. Step 6: Final answer
    x = 403,814.97

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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.