Home / 707,791.16-976,746.80-385,500.26

Finding the Fourth Proportional to 707,791.16, 976,746.80 and 385,500.26

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Solution

The fourth proportional to 707,791.16, 976,746.80 and 385,500.26 is: 531,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,791.16 : 976,746.80 = 385,500.26 : x
  2. Step 2: Convert to fraction form
    707,791.16/976,746.80 = 385,500.26/x
  3. Step 3: Cross multiply
    707,791.16x = 976,746.80 × 385,500.26
  4. Step 4: Simplify right side
    707,791.16x = 376,536,145,354.17
  5. Step 5: Solve for x
    x = 376,536,145,354.17/707,791.16
  6. Step 6: Final answer
    x = 531,987.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.