Home / 682,420.92-941,718.87-372,312.42

Finding the Fourth Proportional to 682,420.92, 941,718.87 and 372,312.42

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Solution

The fourth proportional to 682,420.92, 941,718.87 and 372,312.42 is: 513,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,420.92 : 941,718.87 = 372,312.42 : x
  2. Step 2: Convert to fraction form
    682,420.92/941,718.87 = 372,312.42/x
  3. Step 3: Cross multiply
    682,420.92x = 941,718.87 × 372,312.42
  4. Step 4: Simplify right side
    682,420.92x = 350,613,631,449.37
  5. Step 5: Solve for x
    x = 350,613,631,449.37/682,420.92
  6. Step 6: Final answer
    x = 513,779.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.