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Finding the Fourth Proportional to 555,802.26, 767,009.88 and 301,153.44

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Solution

The fourth proportional to 555,802.26, 767,009.88 and 301,153.44 is: 415,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,802.26 : 767,009.88 = 301,153.44 : x
  2. Step 2: Convert to fraction form
    555,802.26/767,009.88 = 301,153.44/x
  3. Step 3: Cross multiply
    555,802.26x = 767,009.88 × 301,153.44
  4. Step 4: Simplify right side
    555,802.26x = 230,987,663,875.99
  5. Step 5: Solve for x
    x = 230,987,663,875.99/555,802.26
  6. Step 6: Final answer
    x = 415,593.24

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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.