Home / 814,009.67-1,221,017.27-340,362.98

Finding the Fourth Proportional to 814,009.67, 1,221,017.27 and 340,362.98

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Solution

The fourth proportional to 814,009.67, 1,221,017.27 and 340,362.98 is: 510,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,009.67 : 1,221,017.27 = 340,362.98 : x
  2. Step 2: Convert to fraction form
    814,009.67/1,221,017.27 = 340,362.98/x
  3. Step 3: Cross multiply
    814,009.67x = 1,221,017.27 × 340,362.98
  4. Step 4: Simplify right side
    814,009.67x = 415,589,076,648.67
  5. Step 5: Solve for x
    x = 415,589,076,648.67/814,009.67
  6. Step 6: Final answer
    x = 510,545.63

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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.