Home / 557,532.58-835,831.95-388,557.22

Finding the Fourth Proportional to 557,532.58, 835,831.95 and 388,557.22

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Solution

The fourth proportional to 557,532.58, 835,831.95 and 388,557.22 is: 582,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,532.58 : 835,831.95 = 388,557.22 : x
  2. Step 2: Convert to fraction form
    557,532.58/835,831.95 = 388,557.22/x
  3. Step 3: Cross multiply
    557,532.58x = 835,831.95 × 388,557.22
  4. Step 4: Simplify right side
    557,532.58x = 324,768,538,879.18
  5. Step 5: Solve for x
    x = 324,768,538,879.18/557,532.58
  6. Step 6: Final answer
    x = 582,510.42

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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.