Home / 728,092.71-1,092,631.14-254,782.17

Finding the Fourth Proportional to 728,092.71, 1,092,631.14 and 254,782.17

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Solution

The fourth proportional to 728,092.71, 1,092,631.14 and 254,782.17 is: 382,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,092.71 : 1,092,631.14 = 254,782.17 : x
  2. Step 2: Convert to fraction form
    728,092.71/1,092,631.14 = 254,782.17/x
  3. Step 3: Cross multiply
    728,092.71x = 1,092,631.14 × 254,782.17
  4. Step 4: Simplify right side
    728,092.71x = 278,382,932,858.77
  5. Step 5: Solve for x
    x = 278,382,932,858.77/728,092.71
  6. Step 6: Final answer
    x = 382,345.45

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1.5x scale

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.