Home / 707,971.20-1,063,185.60-376,195.20

Finding the Fourth Proportional to 707,971.20, 1,063,185.60 and 376,195.20

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Solution

The fourth proportional to 707,971.20, 1,063,185.60 and 376,195.20 is: 564,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,971.20 : 1,063,185.60 = 376,195.20 : x
  2. Step 2: Convert to fraction form
    707,971.20/1,063,185.60 = 376,195.20/x
  3. Step 3: Cross multiply
    707,971.20x = 1,063,185.60 × 376,195.20
  4. Step 4: Simplify right side
    707,971.20x = 399,965,319,429.12
  5. Step 5: Solve for x
    x = 399,965,319,429.12/707,971.20
  6. Step 6: Final answer
    x = 564,945.75

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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.