Home / 814,032.45-1,221,225.01-245,365.98

Finding the Fourth Proportional to 814,032.45, 1,221,225.01 and 245,365.98

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Solution

The fourth proportional to 814,032.45, 1,221,225.01 and 245,365.98 is: 368,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,032.45 : 1,221,225.01 = 245,365.98 : x
  2. Step 2: Convert to fraction form
    814,032.45/1,221,225.01 = 245,365.98/x
  3. Step 3: Cross multiply
    814,032.45x = 1,221,225.01 × 245,365.98
  4. Step 4: Simplify right side
    814,032.45x = 299,647,071,379.16
  5. Step 5: Solve for x
    x = 299,647,071,379.16/814,032.45
  6. Step 6: Final answer
    x = 368,102.12

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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.