Home / 743,917.37-1,114,990.31-518,054.94

Finding the Fourth Proportional to 743,917.37, 1,114,990.31 and 518,054.94

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Solution

The fourth proportional to 743,917.37, 1,114,990.31 and 518,054.94 is: 776,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,917.37 : 1,114,990.31 = 518,054.94 : x
  2. Step 2: Convert to fraction form
    743,917.37/1,114,990.31 = 518,054.94/x
  3. Step 3: Cross multiply
    743,917.37x = 1,114,990.31 × 518,054.94
  4. Step 4: Simplify right side
    743,917.37x = 577,626,239,442.77
  5. Step 5: Solve for x
    x = 577,626,239,442.77/743,917.37
  6. Step 6: Final answer
    x = 776,465.59

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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.