Home / 893,399.74-1,232,887.58-485,493.86

Finding the Fourth Proportional to 893,399.74, 1,232,887.58 and 485,493.86

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Solution

The fourth proportional to 893,399.74, 1,232,887.58 and 485,493.86 is: 669,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,399.74 : 1,232,887.58 = 485,493.86 : x
  2. Step 2: Convert to fraction form
    893,399.74/1,232,887.58 = 485,493.86/x
  3. Step 3: Cross multiply
    893,399.74x = 1,232,887.58 × 485,493.86
  4. Step 4: Simplify right side
    893,399.74x = 598,559,352,635.61
  5. Step 5: Solve for x
    x = 598,559,352,635.61/893,399.74
  6. Step 6: Final answer
    x = 669,979.32

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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.