Home / 854,530.80-1,281,401.52-314,651.49

Finding the Fourth Proportional to 854,530.80, 1,281,401.52 and 314,651.49

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Solution

The fourth proportional to 854,530.80, 1,281,401.52 and 314,651.49 is: 471,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,530.80 : 1,281,401.52 = 314,651.49 : x
  2. Step 2: Convert to fraction form
    854,530.80/1,281,401.52 = 314,651.49/x
  3. Step 3: Cross multiply
    854,530.80x = 1,281,401.52 × 314,651.49
  4. Step 4: Simplify right side
    854,530.80x = 403,194,897,556.27
  5. Step 5: Solve for x
    x = 403,194,897,556.27/854,530.80
  6. Step 6: Final answer
    x = 471,831.91

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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.