Home / 682,012.25-941,199.63-371,931.81

Finding the Fourth Proportional to 682,012.25, 941,199.63 and 371,931.81

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Solution

The fourth proportional to 682,012.25, 941,199.63 and 371,931.81 is: 513,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,012.25 : 941,199.63 = 371,931.81 : x
  2. Step 2: Convert to fraction form
    682,012.25/941,199.63 = 371,931.81/x
  3. Step 3: Cross multiply
    682,012.25x = 941,199.63 × 371,931.81
  4. Step 4: Simplify right side
    682,012.25x = 350,062,077,251.23
  5. Step 5: Solve for x
    x = 350,062,077,251.23/682,012.25
  6. Step 6: Final answer
    x = 513,278.29

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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.