Home / 857,269.62-1,285,004.16-288,453.24

Finding the Fourth Proportional to 857,269.62, 1,285,004.16 and 288,453.24

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Solution

The fourth proportional to 857,269.62, 1,285,004.16 and 288,453.24 is: 432,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,269.62 : 1,285,004.16 = 288,453.24 : x
  2. Step 2: Convert to fraction form
    857,269.62/1,285,004.16 = 288,453.24/x
  3. Step 3: Cross multiply
    857,269.62x = 1,285,004.16 × 288,453.24
  4. Step 4: Simplify right side
    857,269.62x = 370,663,613,365.48
  5. Step 5: Solve for x
    x = 370,663,613,365.48/857,269.62
  6. Step 6: Final answer
    x = 432,376.94

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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.