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Finding the Fourth Proportional to 552,881.91, 762,684.41 and 380,500.61

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Solution

The fourth proportional to 552,881.91, 762,684.41 and 380,500.61 is: 524,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,881.91 : 762,684.41 = 380,500.61 : x
  2. Step 2: Convert to fraction form
    552,881.91/762,684.41 = 380,500.61/x
  3. Step 3: Cross multiply
    552,881.91x = 762,684.41 × 380,500.61
  4. Step 4: Simplify right side
    552,881.91x = 290,201,877,526.57
  5. Step 5: Solve for x
    x = 290,201,877,526.57/552,881.91
  6. Step 6: Final answer
    x = 524,889.44

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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.