Home / 906,142.92-1,359,120.84-307,088.60

Finding the Fourth Proportional to 906,142.92, 1,359,120.84 and 307,088.60

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Solution

The fourth proportional to 906,142.92, 1,359,120.84 and 307,088.60 is: 460,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,142.92 : 1,359,120.84 = 307,088.60 : x
  2. Step 2: Convert to fraction form
    906,142.92/1,359,120.84 = 307,088.60/x
  3. Step 3: Cross multiply
    906,142.92x = 1,359,120.84 × 307,088.60
  4. Step 4: Simplify right side
    906,142.92x = 417,370,515,986.42
  5. Step 5: Solve for x
    x = 417,370,515,986.42/906,142.92
  6. Step 6: Final answer
    x = 460,601.20

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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.