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Finding the Fourth Proportional to 584,866.60, 878,336.70 and 452,069.80

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Solution

The fourth proportional to 584,866.60, 878,336.70 and 452,069.80 is: 678,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,866.60 : 878,336.70 = 452,069.80 : x
  2. Step 2: Convert to fraction form
    584,866.60/878,336.70 = 452,069.80/x
  3. Step 3: Cross multiply
    584,866.60x = 878,336.70 × 452,069.80
  4. Step 4: Simplify right side
    584,866.60x = 397,069,496,301.66
  5. Step 5: Solve for x
    x = 397,069,496,301.66/584,866.60
  6. Step 6: Final answer
    x = 678,906.09

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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.