Home / 906,134.18-1,359,107.64-307,079.78

Finding the Fourth Proportional to 906,134.18, 1,359,107.64 and 307,079.78

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Solution

The fourth proportional to 906,134.18, 1,359,107.64 and 307,079.78 is: 460,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,134.18 : 1,359,107.64 = 307,079.78 : x
  2. Step 2: Convert to fraction form
    906,134.18/1,359,107.64 = 307,079.78/x
  3. Step 3: Cross multiply
    906,134.18x = 1,359,107.64 × 307,079.78
  4. Step 4: Simplify right side
    906,134.18x = 417,354,468,291.98
  5. Step 5: Solve for x
    x = 417,354,468,291.98/906,134.18
  6. Step 6: Final answer
    x = 460,587.93

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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.