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Finding the Fourth Proportional to 555,730.15, 766,908.37 and 301,081.34

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Solution

The fourth proportional to 555,730.15, 766,908.37 and 301,081.34 is: 415,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,730.15 : 766,908.37 = 301,081.34 : x
  2. Step 2: Convert to fraction form
    555,730.15/766,908.37 = 301,081.34/x
  3. Step 3: Cross multiply
    555,730.15x = 766,908.37 × 301,081.34
  4. Step 4: Simplify right side
    555,730.15x = 230,901,799,696.82
  5. Step 5: Solve for x
    x = 230,901,799,696.82/555,730.15
  6. Step 6: Final answer
    x = 415,492.66

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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.