Home / 903,723.48-1,247,171.58-545,958.36

Finding the Fourth Proportional to 903,723.48, 1,247,171.58 and 545,958.36

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Solution

The fourth proportional to 903,723.48, 1,247,171.58 and 545,958.36 is: 753,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,723.48 : 1,247,171.58 = 545,958.36 : x
  2. Step 2: Convert to fraction form
    903,723.48/1,247,171.58 = 545,958.36/x
  3. Step 3: Cross multiply
    903,723.48x = 1,247,171.58 × 545,958.36
  4. Step 4: Simplify right side
    903,723.48x = 680,903,750,455.41
  5. Step 5: Solve for x
    x = 680,903,750,455.41/903,723.48
  6. Step 6: Final answer
    x = 753,442.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.