Home / 482,850.14-666,365.02-278,909.66

Finding the Fourth Proportional to 482,850.14, 666,365.02 and 278,909.66

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Solution

The fourth proportional to 482,850.14, 666,365.02 and 278,909.66 is: 384,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,850.14 : 666,365.02 = 278,909.66 : x
  2. Step 2: Convert to fraction form
    482,850.14/666,365.02 = 278,909.66/x
  3. Step 3: Cross multiply
    482,850.14x = 666,365.02 × 278,909.66
  4. Step 4: Simplify right side
    482,850.14x = 185,855,641,164.09
  5. Step 5: Solve for x
    x = 185,855,641,164.09/482,850.14
  6. Step 6: Final answer
    x = 384,913.71

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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.