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Finding the Fourth Proportional to 501,252.24, 691,664.12 and 286,406.22

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Solution

The fourth proportional to 501,252.24, 691,664.12 and 286,406.22 is: 395,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,252.24 : 691,664.12 = 286,406.22 : x
  2. Step 2: Convert to fraction form
    501,252.24/691,664.12 = 286,406.22/x
  3. Step 3: Cross multiply
    501,252.24x = 691,664.12 × 286,406.22
  4. Step 4: Simplify right side
    501,252.24x = 198,096,906,118.83
  5. Step 5: Solve for x
    x = 198,096,906,118.83/501,252.24
  6. Step 6: Final answer
    x = 395,204.03

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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.