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Finding the Fourth Proportional to 559,576.32, 772,205.28 and 304,929.60

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Solution

The fourth proportional to 559,576.32, 772,205.28 and 304,929.60 is: 420,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,576.32 : 772,205.28 = 304,929.60 : x
  2. Step 2: Convert to fraction form
    559,576.32/772,205.28 = 304,929.60/x
  3. Step 3: Cross multiply
    559,576.32x = 772,205.28 × 304,929.60
  4. Step 4: Simplify right side
    559,576.32x = 235,468,247,148.29
  5. Step 5: Solve for x
    x = 235,468,247,148.29/559,576.32
  6. Step 6: Final answer
    x = 420,797.38

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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.