Home / 808,069.56-1,115,186.25-445,492.91

Finding the Fourth Proportional to 808,069.56, 1,115,186.25 and 445,492.91

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Solution

The fourth proportional to 808,069.56, 1,115,186.25 and 445,492.91 is: 614,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,069.56 : 1,115,186.25 = 445,492.91 : x
  2. Step 2: Convert to fraction form
    808,069.56/1,115,186.25 = 445,492.91/x
  3. Step 3: Cross multiply
    808,069.56x = 1,115,186.25 × 445,492.91
  4. Step 4: Simplify right side
    808,069.56x = 496,807,567,704.49
  5. Step 5: Solve for x
    x = 496,807,567,704.49/808,069.56
  6. Step 6: Final answer
    x = 614,807.92

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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.