Home / 447,427.36-617,462.74-243,491.44

Finding the Fourth Proportional to 447,427.36, 617,462.74 and 243,491.44

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Solution

The fourth proportional to 447,427.36, 617,462.74 and 243,491.44 is: 336,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,427.36 : 617,462.74 = 243,491.44 : x
  2. Step 2: Convert to fraction form
    447,427.36/617,462.74 = 243,491.44/x
  3. Step 3: Cross multiply
    447,427.36x = 617,462.74 × 243,491.44
  4. Step 4: Simplify right side
    447,427.36x = 150,346,891,708.95
  5. Step 5: Solve for x
    x = 150,346,891,708.95/447,427.36
  6. Step 6: Final answer
    x = 336,025.25

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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.