Home / 987,282.39-1,480,980.99-277,365.78

Finding the Fourth Proportional to 987,282.39, 1,480,980.99 and 277,365.78

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Solution

The fourth proportional to 987,282.39, 1,480,980.99 and 277,365.78 is: 416,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,282.39 : 1,480,980.99 = 277,365.78 : x
  2. Step 2: Convert to fraction form
    987,282.39/1,480,980.99 = 277,365.78/x
  3. Step 3: Cross multiply
    987,282.39x = 1,480,980.99 × 277,365.78
  4. Step 4: Simplify right side
    987,282.39x = 410,773,447,456.52
  5. Step 5: Solve for x
    x = 410,773,447,456.52/987,282.39
  6. Step 6: Final answer
    x = 416,064.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.