Home / 682,024.67-941,278.89-391,727.15

Finding the Fourth Proportional to 682,024.67, 941,278.89 and 391,727.15

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Solution

The fourth proportional to 682,024.67, 941,278.89 and 391,727.15 is: 540,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,024.67 : 941,278.89 = 391,727.15 : x
  2. Step 2: Convert to fraction form
    682,024.67/941,278.89 = 391,727.15/x
  3. Step 3: Cross multiply
    682,024.67x = 941,278.89 × 391,727.15
  4. Step 4: Simplify right side
    682,024.67x = 368,724,492,228.47
  5. Step 5: Solve for x
    x = 368,724,492,228.47/682,024.67
  6. Step 6: Final answer
    x = 540,632.20

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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.