Home / 555,736.90-766,916.77-301,088.09

Finding the Fourth Proportional to 555,736.90, 766,916.77 and 301,088.09

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Solution

The fourth proportional to 555,736.90, 766,916.77 and 301,088.09 is: 415,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,736.90 : 766,916.77 = 301,088.09 : x
  2. Step 2: Convert to fraction form
    555,736.90/766,916.77 = 301,088.09/x
  3. Step 3: Cross multiply
    555,736.90x = 766,916.77 × 301,088.09
  4. Step 4: Simplify right side
    555,736.90x = 230,909,503,306.88
  5. Step 5: Solve for x
    x = 230,909,503,306.88/555,736.90
  6. Step 6: Final answer
    x = 415,501.48

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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.