Home / 903,833.04-1,247,400.20-521,859.18

Finding the Fourth Proportional to 903,833.04, 1,247,400.20 and 521,859.18

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Solution

The fourth proportional to 903,833.04, 1,247,400.20 and 521,859.18 is: 720,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,833.04 : 1,247,400.20 = 521,859.18 : x
  2. Step 2: Convert to fraction form
    903,833.04/1,247,400.20 = 521,859.18/x
  3. Step 3: Cross multiply
    903,833.04x = 1,247,400.20 × 521,859.18
  4. Step 4: Simplify right side
    903,833.04x = 650,967,245,503.84
  5. Step 5: Solve for x
    x = 650,967,245,503.84/903,833.04
  6. Step 6: Final answer
    x = 720,229.53

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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.