Home / 707,987.20-1,063,209.60-376,211.20

Finding the Fourth Proportional to 707,987.20, 1,063,209.60 and 376,211.20

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Solution

The fourth proportional to 707,987.20, 1,063,209.60 and 376,211.20 is: 564,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,987.20 : 1,063,209.60 = 376,211.20 : x
  2. Step 2: Convert to fraction form
    707,987.20/1,063,209.60 = 376,211.20/x
  3. Step 3: Cross multiply
    707,987.20x = 1,063,209.60 × 376,211.20
  4. Step 4: Simplify right side
    707,987.20x = 399,991,359,467.52
  5. Step 5: Solve for x
    x = 399,991,359,467.52/707,987.20
  6. Step 6: Final answer
    x = 564,969.76

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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.