Home / 482,923.14-666,464.10-278,982.66

Finding the Fourth Proportional to 482,923.14, 666,464.10 and 278,982.66

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Solution

The fourth proportional to 482,923.14, 666,464.10 and 278,982.66 is: 385,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,923.14 : 666,464.10 = 278,982.66 : x
  2. Step 2: Convert to fraction form
    482,923.14/666,464.10 = 278,982.66/x
  3. Step 3: Cross multiply
    482,923.14x = 666,464.10 × 278,982.66
  4. Step 4: Simplify right side
    482,923.14x = 185,931,927,412.51
  5. Step 5: Solve for x
    x = 185,931,927,412.51/482,923.14
  6. Step 6: Final answer
    x = 385,013.50

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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.