Home / 646,316.27-968,974.87-326,303.43

Finding the Fourth Proportional to 646,316.27, 968,974.87 and 326,303.43

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Solution

The fourth proportional to 646,316.27, 968,974.87 and 326,303.43 is: 489,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,316.27 : 968,974.87 = 326,303.43 : x
  2. Step 2: Convert to fraction form
    646,316.27/968,974.87 = 326,303.43/x
  3. Step 3: Cross multiply
    646,316.27x = 968,974.87 × 326,303.43
  4. Step 4: Simplify right side
    646,316.27x = 316,179,823,664.80
  5. Step 5: Solve for x
    x = 316,179,823,664.80/646,316.27
  6. Step 6: Final answer
    x = 489,202.95

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1.5x scale

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.