Home / 684,989.56-1,027,463.06-325,419.19

Finding the Fourth Proportional to 684,989.56, 1,027,463.06 and 325,419.19

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Solution

The fourth proportional to 684,989.56, 1,027,463.06 and 325,419.19 is: 488,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,989.56 : 1,027,463.06 = 325,419.19 : x
  2. Step 2: Convert to fraction form
    684,989.56/1,027,463.06 = 325,419.19/x
  3. Step 3: Cross multiply
    684,989.56x = 1,027,463.06 × 325,419.19
  4. Step 4: Simplify right side
    684,989.56x = 334,356,194,985.01
  5. Step 5: Solve for x
    x = 334,356,194,985.01/684,989.56
  6. Step 6: Final answer
    x = 488,118.67

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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.