Home / 522,511.08-720,388.50-338,422.14

Finding the Fourth Proportional to 522,511.08, 720,388.50 and 338,422.14

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Solution

The fourth proportional to 522,511.08, 720,388.50 and 338,422.14 is: 466,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,511.08 : 720,388.50 = 338,422.14 : x
  2. Step 2: Convert to fraction form
    522,511.08/720,388.50 = 338,422.14/x
  3. Step 3: Cross multiply
    522,511.08x = 720,388.50 × 338,422.14
  4. Step 4: Simplify right side
    522,511.08x = 243,795,417,801.39
  5. Step 5: Solve for x
    x = 243,795,417,801.39/522,511.08
  6. Step 6: Final answer
    x = 466,584.21

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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.