Home / 903,959.37-1,247,269.05-521,764.72

Finding the Fourth Proportional to 903,959.37, 1,247,269.05 and 521,764.72

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Solution

The fourth proportional to 903,959.37, 1,247,269.05 and 521,764.72 is: 719,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,959.37 : 1,247,269.05 = 521,764.72 : x
  2. Step 2: Convert to fraction form
    903,959.37/1,247,269.05 = 521,764.72/x
  3. Step 3: Cross multiply
    903,959.37x = 1,247,269.05 × 521,764.72
  4. Step 4: Simplify right side
    903,959.37x = 650,780,983,519.74
  5. Step 5: Solve for x
    x = 650,780,983,519.74/903,959.37
  6. Step 6: Final answer
    x = 719,922.83

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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.