Home / 689,427.90-1,034,725.05-310,931.10

Finding the Fourth Proportional to 689,427.90, 1,034,725.05 and 310,931.10

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Solution

The fourth proportional to 689,427.90, 1,034,725.05 and 310,931.10 is: 466,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,427.90 : 1,034,725.05 = 310,931.10 : x
  2. Step 2: Convert to fraction form
    689,427.90/1,034,725.05 = 310,931.10/x
  3. Step 3: Cross multiply
    689,427.90x = 1,034,725.05 × 310,931.10
  4. Step 4: Simplify right side
    689,427.90x = 321,728,197,994.06
  5. Step 5: Solve for x
    x = 321,728,197,994.06/689,427.90
  6. Step 6: Final answer
    x = 466,659.67

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