Home / 888,978.78-1,333,548.36-289,784.52

Finding the Fourth Proportional to 888,978.78, 1,333,548.36 and 289,784.52

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Solution

The fourth proportional to 888,978.78, 1,333,548.36 and 289,784.52 is: 434,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,978.78 : 1,333,548.36 = 289,784.52 : x
  2. Step 2: Convert to fraction form
    888,978.78/1,333,548.36 = 289,784.52/x
  3. Step 3: Cross multiply
    888,978.78x = 1,333,548.36 × 289,784.52
  4. Step 4: Simplify right side
    888,978.78x = 386,441,671,399.39
  5. Step 5: Solve for x
    x = 386,441,671,399.39/888,978.78
  6. Step 6: Final answer
    x = 434,702.92

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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.