Home / 906,125.62-1,359,182.32-307,508.21

Finding the Fourth Proportional to 906,125.62, 1,359,182.32 and 307,508.21

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Solution

The fourth proportional to 906,125.62, 1,359,182.32 and 307,508.21 is: 461,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,125.62 : 1,359,182.32 = 307,508.21 : x
  2. Step 2: Convert to fraction form
    906,125.62/1,359,182.32 = 307,508.21/x
  3. Step 3: Cross multiply
    906,125.62x = 1,359,182.32 × 307,508.21
  4. Step 4: Simplify right side
    906,125.62x = 417,959,724,916.03
  5. Step 5: Solve for x
    x = 417,959,724,916.03/906,125.62
  6. Step 6: Final answer
    x = 461,260.25

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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.