Home / 745,135.40-1,117,713.60-212,656.52

Finding the Fourth Proportional to 745,135.40, 1,117,713.60 and 212,656.52

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Solution

The fourth proportional to 745,135.40, 1,117,713.60 and 212,656.52 is: 318,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,135.40 : 1,117,713.60 = 212,656.52 : x
  2. Step 2: Convert to fraction form
    745,135.40/1,117,713.60 = 212,656.52/x
  3. Step 3: Cross multiply
    745,135.40x = 1,117,713.60 × 212,656.52
  4. Step 4: Simplify right side
    745,135.40x = 237,689,084,532.67
  5. Step 5: Solve for x
    x = 237,689,084,532.67/745,135.40
  6. Step 6: Final answer
    x = 318,987.78

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