Home / 807,614.55-1,114,492.77-445,071.92

Finding the Fourth Proportional to 807,614.55, 1,114,492.77 and 445,071.92

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Solution

The fourth proportional to 807,614.55, 1,114,492.77 and 445,071.92 is: 614,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,614.55 : 1,114,492.77 = 445,071.92 : x
  2. Step 2: Convert to fraction form
    807,614.55/1,114,492.77 = 445,071.92/x
  3. Step 3: Cross multiply
    807,614.55x = 1,114,492.77 × 445,071.92
  4. Step 4: Simplify right side
    807,614.55x = 496,029,431,397.56
  5. Step 5: Solve for x
    x = 496,029,431,397.56/807,614.55
  6. Step 6: Final answer
    x = 614,190.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.