Home / 987,852.47-1,481,606.46-277,711.70

Finding the Fourth Proportional to 987,852.47, 1,481,606.46 and 277,711.70

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Solution

The fourth proportional to 987,852.47, 1,481,606.46 and 277,711.70 is: 416,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,852.47 : 1,481,606.46 = 277,711.70 : x
  2. Step 2: Convert to fraction form
    987,852.47/1,481,606.46 = 277,711.70/x
  3. Step 3: Cross multiply
    987,852.47x = 1,481,606.46 × 277,711.70
  4. Step 4: Simplify right side
    987,852.47x = 411,459,441,329.55
  5. Step 5: Solve for x
    x = 411,459,441,329.55/987,852.47
  6. Step 6: Final answer
    x = 416,519.12

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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.