Home / 789,859.81-1,184,062.83-429,504.22

Finding the Fourth Proportional to 789,859.81, 1,184,062.83 and 429,504.22

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Solution

The fourth proportional to 789,859.81, 1,184,062.83 and 429,504.22 is: 643,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,859.81 : 1,184,062.83 = 429,504.22 : x
  2. Step 2: Convert to fraction form
    789,859.81/1,184,062.83 = 429,504.22/x
  3. Step 3: Cross multiply
    789,859.81x = 1,184,062.83 × 429,504.22
  4. Step 4: Simplify right side
    789,859.81x = 508,559,982,230.14
  5. Step 5: Solve for x
    x = 508,559,982,230.14/789,859.81
  6. Step 6: Final answer
    x = 643,861.07

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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.