Home / 487,987.00-673,421.94-273,127.05

Finding the Fourth Proportional to 487,987.00, 673,421.94 and 273,127.05

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Solution

The fourth proportional to 487,987.00, 673,421.94 and 273,127.05 is: 376,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,987.00 : 673,421.94 = 273,127.05 : x
  2. Step 2: Convert to fraction form
    487,987.00/673,421.94 = 273,127.05/x
  3. Step 3: Cross multiply
    487,987.00x = 673,421.94 × 273,127.05
  4. Step 4: Simplify right side
    487,987.00x = 183,929,747,877.48
  5. Step 5: Solve for x
    x = 183,929,747,877.48/487,987.00
  6. Step 6: Final answer
    x = 376,915.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.