Home / 855,095.55-1,281,797.33-405,025.35

Finding the Fourth Proportional to 855,095.55, 1,281,797.33 and 405,025.35

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Solution

The fourth proportional to 855,095.55, 1,281,797.33 and 405,025.35 is: 607,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,095.55 : 1,281,797.33 = 405,025.35 : x
  2. Step 2: Convert to fraction form
    855,095.55/1,281,797.33 = 405,025.35/x
  3. Step 3: Cross multiply
    855,095.55x = 1,281,797.33 × 405,025.35
  4. Step 4: Simplify right side
    855,095.55x = 519,160,410,187.19
  5. Step 5: Solve for x
    x = 519,160,410,187.19/855,095.55
  6. Step 6: Final answer
    x = 607,137.31

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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.