Home / 900,960.96-1,351,324.80-301,781.28

Finding the Fourth Proportional to 900,960.96, 1,351,324.80 and 301,781.28

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Solution

The fourth proportional to 900,960.96, 1,351,324.80 and 301,781.28 is: 452,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,960.96 : 1,351,324.80 = 301,781.28 : x
  2. Step 2: Convert to fraction form
    900,960.96/1,351,324.80 = 301,781.28/x
  3. Step 3: Cross multiply
    900,960.96x = 1,351,324.80 × 301,781.28
  4. Step 4: Simplify right side
    900,960.96x = 407,804,527,839.74
  5. Step 5: Solve for x
    x = 407,804,527,839.74/900,960.96
  6. Step 6: Final answer
    x = 452,632.85

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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.