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Finding the Fourth Proportional to 559,055.72, 771,101.54 and 540,540.20

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Solution

The fourth proportional to 559,055.72, 771,101.54 and 540,540.20 is: 745,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,055.72 : 771,101.54 = 540,540.20 : x
  2. Step 2: Convert to fraction form
    559,055.72/771,101.54 = 540,540.20/x
  3. Step 3: Cross multiply
    559,055.72x = 771,101.54 × 540,540.20
  4. Step 4: Simplify right side
    559,055.72x = 416,811,380,651.91
  5. Step 5: Solve for x
    x = 416,811,380,651.91/559,055.72
  6. Step 6: Final answer
    x = 745,563.22

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