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Finding the Fourth Proportional to 552,882.82, 762,685.65 and 380,501.51

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Solution

The fourth proportional to 552,882.82, 762,685.65 and 380,501.51 is: 524,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,882.82 : 762,685.65 = 380,501.51 : x
  2. Step 2: Convert to fraction form
    552,882.82/762,685.65 = 380,501.51/x
  3. Step 3: Cross multiply
    552,882.82x = 762,685.65 × 380,501.51
  4. Step 4: Simplify right side
    552,882.82x = 290,203,041,480.33
  5. Step 5: Solve for x
    x = 290,203,041,480.33/552,882.82
  6. Step 6: Final answer
    x = 524,890.68

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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.