Home / 861,800.06-1,292,492.44-381,762.44

Finding the Fourth Proportional to 861,800.06, 1,292,492.44 and 381,762.44

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Solution

The fourth proportional to 861,800.06, 1,292,492.44 and 381,762.44 is: 572,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,800.06 : 1,292,492.44 = 381,762.44 : x
  2. Step 2: Convert to fraction form
    861,800.06/1,292,492.44 = 381,762.44/x
  3. Step 3: Cross multiply
    861,800.06x = 1,292,492.44 × 381,762.44
  4. Step 4: Simplify right side
    861,800.06x = 493,425,067,575.95
  5. Step 5: Solve for x
    x = 493,425,067,575.95/861,800.06
  6. Step 6: Final answer
    x = 572,551.67

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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.