Home / 987,255.67-1,480,938.91-277,228.35

Finding the Fourth Proportional to 987,255.67, 1,480,938.91 and 277,228.35

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Solution

The fourth proportional to 987,255.67, 1,480,938.91 and 277,228.35 is: 415,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,255.67 : 1,480,938.91 = 277,228.35 : x
  2. Step 2: Convert to fraction form
    987,255.67/1,480,938.91 = 277,228.35/x
  3. Step 3: Cross multiply
    987,255.67x = 1,480,938.91 × 277,228.35
  4. Step 4: Simplify right side
    987,255.67x = 410,558,249,083.96
  5. Step 5: Solve for x
    x = 410,558,249,083.96/987,255.67
  6. Step 6: Final answer
    x = 415,858.08

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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.