Home / 987,853.47-1,481,607.96-277,712.70

Finding the Fourth Proportional to 987,853.47, 1,481,607.96 and 277,712.70

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Solution

The fourth proportional to 987,853.47, 1,481,607.96 and 277,712.70 is: 416,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,853.47 : 1,481,607.96 = 277,712.70 : x
  2. Step 2: Convert to fraction form
    987,853.47/1,481,607.96 = 277,712.70/x
  3. Step 3: Cross multiply
    987,853.47x = 1,481,607.96 × 277,712.70
  4. Step 4: Simplify right side
    987,853.47x = 411,461,346,913.09
  5. Step 5: Solve for x
    x = 411,461,346,913.09/987,853.47
  6. Step 6: Final answer
    x = 416,520.63

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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.