Home / 613,462.20-846,557.10-345,138.36

Finding the Fourth Proportional to 613,462.20, 846,557.10 and 345,138.36

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Solution

The fourth proportional to 613,462.20, 846,557.10 and 345,138.36 is: 476,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,462.20 : 846,557.10 = 345,138.36 : x
  2. Step 2: Convert to fraction form
    613,462.20/846,557.10 = 345,138.36/x
  3. Step 3: Cross multiply
    613,462.20x = 846,557.10 × 345,138.36
  4. Step 4: Simplify right side
    613,462.20x = 292,179,329,140.36
  5. Step 5: Solve for x
    x = 292,179,329,140.36/613,462.20
  6. Step 6: Final answer
    x = 476,279.27

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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.