Home / 693,459.08-1,040,348.28-294,115.40

Finding the Fourth Proportional to 693,459.08, 1,040,348.28 and 294,115.40

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Solution

The fourth proportional to 693,459.08, 1,040,348.28 and 294,115.40 is: 441,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,459.08 : 1,040,348.28 = 294,115.40 : x
  2. Step 2: Convert to fraction form
    693,459.08/1,040,348.28 = 294,115.40/x
  3. Step 3: Cross multiply
    693,459.08x = 1,040,348.28 × 294,115.40
  4. Step 4: Simplify right side
    693,459.08x = 305,982,450,511.51
  5. Step 5: Solve for x
    x = 305,982,450,511.51/693,459.08
  6. Step 6: Final answer
    x = 441,240.82

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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.