Home / 810,144.61-1,214,465.74-277,539.03

Finding the Fourth Proportional to 810,144.61, 1,214,465.74 and 277,539.03

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Solution

The fourth proportional to 810,144.61, 1,214,465.74 and 277,539.03 is: 416,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,144.61 : 1,214,465.74 = 277,539.03 : x
  2. Step 2: Convert to fraction form
    810,144.61/1,214,465.74 = 277,539.03/x
  3. Step 3: Cross multiply
    810,144.61x = 1,214,465.74 × 277,539.03
  4. Step 4: Simplify right side
    810,144.61x = 337,061,642,753.99
  5. Step 5: Solve for x
    x = 337,061,642,753.99/810,144.61
  6. Step 6: Final answer
    x = 416,051.21

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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.