Home / 494,400.95-682,254.38-279,545.51

Finding the Fourth Proportional to 494,400.95, 682,254.38 and 279,545.51

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Solution

The fourth proportional to 494,400.95, 682,254.38 and 279,545.51 is: 385,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,400.95 : 682,254.38 = 279,545.51 : x
  2. Step 2: Convert to fraction form
    494,400.95/682,254.38 = 279,545.51/x
  3. Step 3: Cross multiply
    494,400.95x = 682,254.38 × 279,545.51
  4. Step 4: Simplify right side
    494,400.95x = 190,721,143,797.83
  5. Step 5: Solve for x
    x = 190,721,143,797.83/494,400.95
  6. Step 6: Final answer
    x = 385,762.09

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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.