Home / 487,679.67-672,998.94-272,823.33

Finding the Fourth Proportional to 487,679.67, 672,998.94 and 272,823.33

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Solution

The fourth proportional to 487,679.67, 672,998.94 and 272,823.33 is: 376,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,679.67 : 672,998.94 = 272,823.33 : x
  2. Step 2: Convert to fraction form
    487,679.67/672,998.94 = 272,823.33/x
  3. Step 3: Cross multiply
    487,679.67x = 672,998.94 × 272,823.33
  4. Step 4: Simplify right side
    487,679.67x = 183,609,811,897.27
  5. Step 5: Solve for x
    x = 183,609,811,897.27/487,679.67
  6. Step 6: Final answer
    x = 376,496.75

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1.5x scale

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.