Home / 934,738.20-1,289,932.16-552,756.78

Finding the Fourth Proportional to 934,738.20, 1,289,932.16 and 552,756.78

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Solution

The fourth proportional to 934,738.20, 1,289,932.16 and 552,756.78 is: 762,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,738.20 : 1,289,932.16 = 552,756.78 : x
  2. Step 2: Convert to fraction form
    934,738.20/1,289,932.16 = 552,756.78/x
  3. Step 3: Cross multiply
    934,738.20x = 1,289,932.16 × 552,756.78
  4. Step 4: Simplify right side
    934,738.20x = 713,018,744,416.26
  5. Step 5: Solve for x
    x = 713,018,744,416.26/934,738.20
  6. Step 6: Final answer
    x = 762,800.48

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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.