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Finding the Fourth Proportional to 559,782.08, 772,499.33 and 305,133.27

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Solution

The fourth proportional to 559,782.08, 772,499.33 and 305,133.27 is: 421,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,782.08 : 772,499.33 = 305,133.27 : x
  2. Step 2: Convert to fraction form
    559,782.08/772,499.33 = 305,133.27/x
  3. Step 3: Cross multiply
    559,782.08x = 772,499.33 × 305,133.27
  4. Step 4: Simplify right side
    559,782.08x = 235,715,246,635.71
  5. Step 5: Solve for x
    x = 235,715,246,635.71/559,782.08
  6. Step 6: Final answer
    x = 421,083.95

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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.