Home / 893,898.05-1,340,425.60-324,878.90

Finding the Fourth Proportional to 893,898.05, 1,340,425.60 and 324,878.90

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Solution

The fourth proportional to 893,898.05, 1,340,425.60 and 324,878.90 is: 487,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,898.05 : 1,340,425.60 = 324,878.90 : x
  2. Step 2: Convert to fraction form
    893,898.05/1,340,425.60 = 324,878.90/x
  3. Step 3: Cross multiply
    893,898.05x = 1,340,425.60 × 324,878.90
  4. Step 4: Simplify right side
    893,898.05x = 435,475,986,945.52
  5. Step 5: Solve for x
    x = 435,475,986,945.52/893,898.05
  6. Step 6: Final answer
    x = 487,165.16

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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.