Home / 380,926.40-524,481.48-323,444.75

Finding the Fourth Proportional to 380,926.40, 524,481.48 and 323,444.75

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Solution

The fourth proportional to 380,926.40, 524,481.48 and 323,444.75 is: 445,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,926.40 : 524,481.48 = 323,444.75 : x
  2. Step 2: Convert to fraction form
    380,926.40/524,481.48 = 323,444.75/x
  3. Step 3: Cross multiply
    380,926.40x = 524,481.48 × 323,444.75
  4. Step 4: Simplify right side
    380,926.40x = 169,640,778,555.82
  5. Step 5: Solve for x
    x = 169,640,778,555.82/380,926.40
  6. Step 6: Final answer
    x = 445,337.42

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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.