Home / 682,638.94-942,035.16-376,718.14

Finding the Fourth Proportional to 682,638.94, 942,035.16 and 376,718.14

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Solution

The fourth proportional to 682,638.94, 942,035.16 and 376,718.14 is: 519,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,638.94 : 942,035.16 = 376,718.14 : x
  2. Step 2: Convert to fraction form
    682,638.94/942,035.16 = 376,718.14/x
  3. Step 3: Cross multiply
    682,638.94x = 942,035.16 × 376,718.14
  4. Step 4: Simplify right side
    682,638.94x = 354,881,733,289.80
  5. Step 5: Solve for x
    x = 354,881,733,289.80/682,638.94
  6. Step 6: Final answer
    x = 519,867.40

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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.