Home / 893,899.20-1,340,913.60-538,147.20

Finding the Fourth Proportional to 893,899.20, 1,340,913.60 and 538,147.20

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Solution

The fourth proportional to 893,899.20, 1,340,913.60 and 538,147.20 is: 807,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,899.20 : 1,340,913.60 = 538,147.20 : x
  2. Step 2: Convert to fraction form
    893,899.20/1,340,913.60 = 538,147.20/x
  3. Step 3: Cross multiply
    893,899.20x = 1,340,913.60 × 538,147.20
  4. Step 4: Simplify right side
    893,899.20x = 721,608,899,281.92
  5. Step 5: Solve for x
    x = 721,608,899,281.92/893,899.20
  6. Step 6: Final answer
    x = 807,259.81

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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.