Home / 893,431.70-1,340,397.68-361,326.40

Finding the Fourth Proportional to 893,431.70, 1,340,397.68 and 361,326.40

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Solution

The fourth proportional to 893,431.70, 1,340,397.68 and 361,326.40 is: 542,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,431.70 : 1,340,397.68 = 361,326.40 : x
  2. Step 2: Convert to fraction form
    893,431.70/1,340,397.68 = 361,326.40/x
  3. Step 3: Cross multiply
    893,431.70x = 1,340,397.68 × 361,326.40
  4. Step 4: Simplify right side
    893,431.70x = 484,321,068,282.75
  5. Step 5: Solve for x
    x = 484,321,068,282.75/893,431.70
  6. Step 6: Final answer
    x = 542,090.76

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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.