Home / 684,469.90-1,026,775.26-258,364.64

Finding the Fourth Proportional to 684,469.90, 1,026,775.26 and 258,364.64

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Solution

The fourth proportional to 684,469.90, 1,026,775.26 and 258,364.64 is: 387,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,469.90 : 1,026,775.26 = 258,364.64 : x
  2. Step 2: Convert to fraction form
    684,469.90/1,026,775.26 = 258,364.64/x
  3. Step 3: Cross multiply
    684,469.90x = 1,026,775.26 × 258,364.64
  4. Step 4: Simplify right side
    684,469.90x = 265,282,420,410.81
  5. Step 5: Solve for x
    x = 265,282,420,410.81/684,469.90
  6. Step 6: Final answer
    x = 387,573.54

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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.