Home / 868,036.44-1,302,044.93-306,939.72

Finding the Fourth Proportional to 868,036.44, 1,302,044.93 and 306,939.72

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Solution

The fourth proportional to 868,036.44, 1,302,044.93 and 306,939.72 is: 460,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,036.44 : 1,302,044.93 = 306,939.72 : x
  2. Step 2: Convert to fraction form
    868,036.44/1,302,044.93 = 306,939.72/x
  3. Step 3: Cross multiply
    868,036.44x = 1,302,044.93 × 306,939.72
  4. Step 4: Simplify right side
    868,036.44x = 399,649,306,241.62
  5. Step 5: Solve for x
    x = 399,649,306,241.62/868,036.44
  6. Step 6: Final answer
    x = 460,406.14

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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.