Home / 789,861.06-1,184,064.71-429,505.47

Finding the Fourth Proportional to 789,861.06, 1,184,064.71 and 429,505.47

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Solution

The fourth proportional to 789,861.06, 1,184,064.71 and 429,505.47 is: 643,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,861.06 : 1,184,064.71 = 429,505.47 : x
  2. Step 2: Convert to fraction form
    789,861.06/1,184,064.71 = 429,505.47/x
  3. Step 3: Cross multiply
    789,861.06x = 1,184,064.71 × 429,505.47
  4. Step 4: Simplify right side
    789,861.06x = 508,562,267,631.44
  5. Step 5: Solve for x
    x = 508,562,267,631.44/789,861.06
  6. Step 6: Final answer
    x = 643,862.94

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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.