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Finding the Fourth Proportional to 482,599.06, 666,018.25 and 278,658.58

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Solution

The fourth proportional to 482,599.06, 666,018.25 and 278,658.58 is: 384,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,599.06 : 666,018.25 = 278,658.58 : x
  2. Step 2: Convert to fraction form
    482,599.06/666,018.25 = 278,658.58/x
  3. Step 3: Cross multiply
    482,599.06x = 666,018.25 × 278,658.58
  4. Step 4: Simplify right side
    482,599.06x = 185,591,696,740.75
  5. Step 5: Solve for x
    x = 185,591,696,740.75/482,599.06
  6. Step 6: Final answer
    x = 384,567.05

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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.