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Finding the Fourth Proportional to 559,323.46, 771,862.41 and 304,674.64

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Solution

The fourth proportional to 559,323.46, 771,862.41 and 304,674.64 is: 420,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,323.46 : 771,862.41 = 304,674.64 : x
  2. Step 2: Convert to fraction form
    559,323.46/771,862.41 = 304,674.64/x
  3. Step 3: Cross multiply
    559,323.46x = 771,862.41 × 304,674.64
  4. Step 4: Simplify right side
    559,323.46x = 235,166,901,896.28
  5. Step 5: Solve for x
    x = 235,166,901,896.28/559,323.46
  6. Step 6: Final answer
    x = 420,448.84

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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.