Home / 789,844.84-1,184,040.36-429,489.22

Finding the Fourth Proportional to 789,844.84, 1,184,040.36 and 429,489.22

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Solution

The fourth proportional to 789,844.84, 1,184,040.36 and 429,489.22 is: 643,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,844.84 : 1,184,040.36 = 429,489.22 : x
  2. Step 2: Convert to fraction form
    789,844.84/1,184,040.36 = 429,489.22/x
  3. Step 3: Cross multiply
    789,844.84x = 1,184,040.36 × 429,489.22
  4. Step 4: Simplify right side
    789,844.84x = 508,532,570,664.92
  5. Step 5: Solve for x
    x = 508,532,570,664.92/789,844.84
  6. Step 6: Final answer
    x = 643,838.57

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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.