Home / 893,306.88-1,340,039.70-253,619.91

Finding the Fourth Proportional to 893,306.88, 1,340,039.70 and 253,619.91

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Solution

The fourth proportional to 893,306.88, 1,340,039.70 and 253,619.91 is: 380,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,306.88 : 1,340,039.70 = 253,619.91 : x
  2. Step 2: Convert to fraction form
    893,306.88/1,340,039.70 = 253,619.91/x
  3. Step 3: Cross multiply
    893,306.88x = 1,340,039.70 × 253,619.91
  4. Step 4: Simplify right side
    893,306.88x = 339,860,748,110.43
  5. Step 5: Solve for x
    x = 339,860,748,110.43/893,306.88
  6. Step 6: Final answer
    x = 380,452.40

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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.