Home / 646,315.27-968,973.37-326,302.43

Finding the Fourth Proportional to 646,315.27, 968,973.37 and 326,302.43

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Solution

The fourth proportional to 646,315.27, 968,973.37 and 326,302.43 is: 489,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,315.27 : 968,973.37 = 326,302.43 : x
  2. Step 2: Convert to fraction form
    646,315.27/968,973.37 = 326,302.43/x
  3. Step 3: Cross multiply
    646,315.27x = 968,973.37 × 326,302.43
  4. Step 4: Simplify right side
    646,315.27x = 316,178,359,575.67
  5. Step 5: Solve for x
    x = 316,178,359,575.67/646,315.27
  6. Step 6: Final answer
    x = 489,201.44

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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.