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Finding the Fourth Proportional to 684,338.60, 1,026,516 and 414,525.58

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Solution

The fourth proportional to 684,338.60, 1,026,516 and 414,525.58 is: 621,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,338.60 : 1,026,516 = 414,525.58 : x
  2. Step 2: Convert to fraction form
    684,338.60/1,026,516 = 414,525.58/x
  3. Step 3: Cross multiply
    684,338.60x = 1,026,516 × 414,525.58
  4. Step 4: Simplify right side
    684,338.60x = 425,517,135,146.70
  5. Step 5: Solve for x
    x = 425,517,135,146.70/684,338.60
  6. Step 6: Final answer
    x = 621,793.27

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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.