Home / 646,799.68-968,408.16-330,575.68

Finding the Fourth Proportional to 646,799.68, 968,408.16 and 330,575.68

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Solution

The fourth proportional to 646,799.68, 968,408.16 and 330,575.68 is: 494,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,799.68 : 968,408.16 = 330,575.68 : x
  2. Step 2: Convert to fraction form
    646,799.68/968,408.16 = 330,575.68/x
  3. Step 3: Cross multiply
    646,799.68x = 968,408.16 × 330,575.68
  4. Step 4: Simplify right side
    646,799.68x = 320,132,186,009.55
  5. Step 5: Solve for x
    x = 320,132,186,009.55/646,799.68
  6. Step 6: Final answer
    x = 494,947.97

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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.