Home / 726,148.10-1,002,097.26-403,858.34

Finding the Fourth Proportional to 726,148.10, 1,002,097.26 and 403,858.34

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Solution

The fourth proportional to 726,148.10, 1,002,097.26 and 403,858.34 is: 557,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,148.10 : 1,002,097.26 = 403,858.34 : x
  2. Step 2: Convert to fraction form
    726,148.10/1,002,097.26 = 403,858.34/x
  3. Step 3: Cross multiply
    726,148.10x = 1,002,097.26 × 403,858.34
  4. Step 4: Simplify right side
    726,148.10x = 404,705,335,942.15
  5. Step 5: Solve for x
    x = 404,705,335,942.15/726,148.10
  6. Step 6: Final answer
    x = 557,331.67

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1.5x scale

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.