Home / 886,685.48-1,330,215.27-287,600.12

Finding the Fourth Proportional to 886,685.48, 1,330,215.27 and 287,600.12

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Solution

The fourth proportional to 886,685.48, 1,330,215.27 and 287,600.12 is: 431,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,685.48 : 1,330,215.27 = 287,600.12 : x
  2. Step 2: Convert to fraction form
    886,685.48/1,330,215.27 = 287,600.12/x
  3. Step 3: Cross multiply
    886,685.48x = 1,330,215.27 × 287,600.12
  4. Step 4: Simplify right side
    886,685.48x = 382,570,071,277.83
  5. Step 5: Solve for x
    x = 382,570,071,277.83/886,685.48
  6. Step 6: Final answer
    x = 431,460.85

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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.