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Finding the Fourth Proportional to 507,405.33, 699,902.51 and 326,353.41

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Solution

The fourth proportional to 507,405.33, 699,902.51 and 326,353.41 is: 450,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,405.33 : 699,902.51 = 326,353.41 : x
  2. Step 2: Convert to fraction form
    507,405.33/699,902.51 = 326,353.41/x
  3. Step 3: Cross multiply
    507,405.33x = 699,902.51 × 326,353.41
  4. Step 4: Simplify right side
    507,405.33x = 228,415,569,174.29
  5. Step 5: Solve for x
    x = 228,415,569,174.29/507,405.33
  6. Step 6: Final answer
    x = 450,163.91

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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.