Home / 925,771.41-1,387,298.54-521,750.16

Finding the Fourth Proportional to 925,771.41, 1,387,298.54 and 521,750.16

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Solution

The fourth proportional to 925,771.41, 1,387,298.54 and 521,750.16 is: 781,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,771.41 : 1,387,298.54 = 521,750.16 : x
  2. Step 2: Convert to fraction form
    925,771.41/1,387,298.54 = 521,750.16/x
  3. Step 3: Cross multiply
    925,771.41x = 1,387,298.54 × 521,750.16
  4. Step 4: Simplify right side
    925,771.41x = 723,823,232,604.02
  5. Step 5: Solve for x
    x = 723,823,232,604.02/925,771.41
  6. Step 6: Final answer
    x = 781,859.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.