Home / 803,863.58-1,109,291.00-477,190.55

Finding the Fourth Proportional to 803,863.58, 1,109,291.00 and 477,190.55

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Solution

The fourth proportional to 803,863.58, 1,109,291.00 and 477,190.55 is: 658,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,863.58 : 1,109,291.00 = 477,190.55 : x
  2. Step 2: Convert to fraction form
    803,863.58/1,109,291.00 = 477,190.55/x
  3. Step 3: Cross multiply
    803,863.58x = 1,109,291.00 × 477,190.55
  4. Step 4: Simplify right side
    803,863.58x = 529,343,180,014.10
  5. Step 5: Solve for x
    x = 529,343,180,014.10/803,863.58
  6. Step 6: Final answer
    x = 658,498.78

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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.