Home / 964,138.60-1,446,200.34-290,216.98

Finding the Fourth Proportional to 964,138.60, 1,446,200.34 and 290,216.98

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Solution

The fourth proportional to 964,138.60, 1,446,200.34 and 290,216.98 is: 435,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,138.60 : 1,446,200.34 = 290,216.98 : x
  2. Step 2: Convert to fraction form
    964,138.60/1,446,200.34 = 290,216.98/x
  3. Step 3: Cross multiply
    964,138.60x = 1,446,200.34 × 290,216.98
  4. Step 4: Simplify right side
    964,138.60x = 419,711,895,149.77
  5. Step 5: Solve for x
    x = 419,711,895,149.77/964,138.60
  6. Step 6: Final answer
    x = 435,323.19

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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.