Home / 887,879.72-1,331,405.55-461,300.87

Finding the Fourth Proportional to 887,879.72, 1,331,405.55 and 461,300.87

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Solution

The fourth proportional to 887,879.72, 1,331,405.55 and 461,300.87 is: 691,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,879.72 : 1,331,405.55 = 461,300.87 : x
  2. Step 2: Convert to fraction form
    887,879.72/1,331,405.55 = 461,300.87/x
  3. Step 3: Cross multiply
    887,879.72x = 1,331,405.55 × 461,300.87
  4. Step 4: Simplify right side
    887,879.72x = 614,178,541,866.34
  5. Step 5: Solve for x
    x = 614,178,541,866.34/887,879.72
  6. Step 6: Final answer
    x = 691,736.20

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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.