Home / 803,868.10-1,109,297.22-477,195.08

Finding the Fourth Proportional to 803,868.10, 1,109,297.22 and 477,195.08

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Solution

The fourth proportional to 803,868.10, 1,109,297.22 and 477,195.08 is: 658,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,868.10 : 1,109,297.22 = 477,195.08 : x
  2. Step 2: Convert to fraction form
    803,868.10/1,109,297.22 = 477,195.08/x
  3. Step 3: Cross multiply
    803,868.10x = 1,109,297.22 × 477,195.08
  4. Step 4: Simplify right side
    803,868.10x = 529,351,175,641.68
  5. Step 5: Solve for x
    x = 529,351,175,641.68/803,868.10
  6. Step 6: Final answer
    x = 658,505.02

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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.