Home / 689,065.40-1,030,682.10-618,498.20

Finding the Fourth Proportional to 689,065.40, 1,030,682.10 and 618,498.20

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Solution

The fourth proportional to 689,065.40, 1,030,682.10 and 618,498.20 is: 925,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,065.40 : 1,030,682.10 = 618,498.20 : x
  2. Step 2: Convert to fraction form
    689,065.40/1,030,682.10 = 618,498.20/x
  3. Step 3: Cross multiply
    689,065.40x = 1,030,682.10 × 618,498.20
  4. Step 4: Simplify right side
    689,065.40x = 637,475,023,622.22
  5. Step 5: Solve for x
    x = 637,475,023,622.22/689,065.40
  6. Step 6: Final answer
    x = 925,129.93

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