Home / 987,255.61-1,480,938.81-277,228.29

Finding the Fourth Proportional to 987,255.61, 1,480,938.81 and 277,228.29

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Solution

The fourth proportional to 987,255.61, 1,480,938.81 and 277,228.29 is: 415,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,255.61 : 1,480,938.81 = 277,228.29 : x
  2. Step 2: Convert to fraction form
    987,255.61/1,480,938.81 = 277,228.29/x
  3. Step 3: Cross multiply
    987,255.61x = 1,480,938.81 × 277,228.29
  4. Step 4: Simplify right side
    987,255.61x = 410,558,133,890.94
  5. Step 5: Solve for x
    x = 410,558,133,890.94/987,255.61
  6. Step 6: Final answer
    x = 415,857.99

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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.