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Finding the Fourth Proportional to 452,805.70, 679,208.55 and 410,815.30

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Solution

The fourth proportional to 452,805.70, 679,208.55 and 410,815.30 is: 616,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,805.70 : 679,208.55 = 410,815.30 : x
  2. Step 2: Convert to fraction form
    452,805.70/679,208.55 = 410,815.30/x
  3. Step 3: Cross multiply
    452,805.70x = 679,208.55 × 410,815.30
  4. Step 4: Simplify right side
    452,805.70x = 279,029,264,230.82
  5. Step 5: Solve for x
    x = 279,029,264,230.82/452,805.70
  6. Step 6: Final answer
    x = 616,222.95

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.