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Finding the Fourth Proportional to 482,852.58, 666,419.02 and 278,866.84

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Solution

The fourth proportional to 482,852.58, 666,419.02 and 278,866.84 is: 384,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,852.58 : 666,419.02 = 278,866.84 : x
  2. Step 2: Convert to fraction form
    482,852.58/666,419.02 = 278,866.84/x
  3. Step 3: Cross multiply
    482,852.58x = 666,419.02 × 278,866.84
  4. Step 4: Simplify right side
    482,852.58x = 185,842,162,891.20
  5. Step 5: Solve for x
    x = 185,842,162,891.20/482,852.58
  6. Step 6: Final answer
    x = 384,883.86

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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.