Home / 861,848.30-1,289,623.13-507,029.42

Finding the Fourth Proportional to 861,848.30, 1,289,623.13 and 507,029.42

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Solution

The fourth proportional to 861,848.30, 1,289,623.13 and 507,029.42 is: 758,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,848.30 : 1,289,623.13 = 507,029.42 : x
  2. Step 2: Convert to fraction form
    861,848.30/1,289,623.13 = 507,029.42/x
  3. Step 3: Cross multiply
    861,848.30x = 1,289,623.13 × 507,029.42
  4. Step 4: Simplify right side
    861,848.30x = 653,876,860,540.58
  5. Step 5: Solve for x
    x = 653,876,860,540.58/861,848.30
  6. Step 6: Final answer
    x = 758,691.37

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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.