Home / 743,218.56-1,115,294.40-695,396.16

Finding the Fourth Proportional to 743,218.56, 1,115,294.40 and 695,396.16

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Solution

The fourth proportional to 743,218.56, 1,115,294.40 and 695,396.16 is: 1,043,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,218.56 : 1,115,294.40 = 695,396.16 : x
  2. Step 2: Convert to fraction form
    743,218.56/1,115,294.40 = 695,396.16/x
  3. Step 3: Cross multiply
    743,218.56x = 1,115,294.40 × 695,396.16
  4. Step 4: Simplify right side
    743,218.56x = 775,571,443,029.50
  5. Step 5: Solve for x
    x = 775,571,443,029.50/743,218.56
  6. Step 6: Final answer
    x = 1,043,530.78

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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.