Home / 684,635.03-1,026,652.95-324,908.98

Finding the Fourth Proportional to 684,635.03, 1,026,652.95 and 324,908.98

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Solution

The fourth proportional to 684,635.03, 1,026,652.95 and 324,908.98 is: 487,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,635.03 : 1,026,652.95 = 324,908.98 : x
  2. Step 2: Convert to fraction form
    684,635.03/1,026,652.95 = 324,908.98/x
  3. Step 3: Cross multiply
    684,635.03x = 1,026,652.95 × 324,908.98
  4. Step 4: Simplify right side
    684,635.03x = 333,568,768,364.31
  5. Step 5: Solve for x
    x = 333,568,768,364.31/684,635.03
  6. Step 6: Final answer
    x = 487,221.30

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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.