Home / 646,795.68-968,402.16-330,571.68

Finding the Fourth Proportional to 646,795.68, 968,402.16 and 330,571.68

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Solution

The fourth proportional to 646,795.68, 968,402.16 and 330,571.68 is: 494,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,795.68 : 968,402.16 = 330,571.68 : x
  2. Step 2: Convert to fraction form
    646,795.68/968,402.16 = 330,571.68/x
  3. Step 3: Cross multiply
    646,795.68x = 968,402.16 × 330,571.68
  4. Step 4: Simplify right side
    646,795.68x = 320,126,328,946.83
  5. Step 5: Solve for x
    x = 320,126,328,946.83/646,795.68
  6. Step 6: Final answer
    x = 494,941.97

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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.