Home / 877,039.83-1,315,723.77-277,840.11

Finding the Fourth Proportional to 877,039.83, 1,315,723.77 and 277,840.11

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Solution

The fourth proportional to 877,039.83, 1,315,723.77 and 277,840.11 is: 416,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,039.83 : 1,315,723.77 = 277,840.11 : x
  2. Step 2: Convert to fraction form
    877,039.83/1,315,723.77 = 277,840.11/x
  3. Step 3: Cross multiply
    877,039.83x = 1,315,723.77 × 277,840.11
  4. Step 4: Simplify right side
    877,039.83x = 365,560,836,986.42
  5. Step 5: Solve for x
    x = 365,560,836,986.42/877,039.83
  6. Step 6: Final answer
    x = 416,812.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.