Home / 388,888.32-582,916.48-277,743.36

Finding the Fourth Proportional to 388,888.32, 582,916.48 and 277,743.36

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Solution

The fourth proportional to 388,888.32, 582,916.48 and 277,743.36 is: 416,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,888.32 : 582,916.48 = 277,743.36 : x
  2. Step 2: Convert to fraction form
    388,888.32/582,916.48 = 277,743.36/x
  3. Step 3: Cross multiply
    388,888.32x = 582,916.48 × 277,743.36
  4. Step 4: Simplify right side
    388,888.32x = 161,901,181,754.57
  5. Step 5: Solve for x
    x = 161,901,181,754.57/388,888.32
  6. Step 6: Final answer
    x = 416,317.93

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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.