Home / 745,291.86-1,117,913.91-313,238.17

Finding the Fourth Proportional to 745,291.86, 1,117,913.91 and 313,238.17

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Solution

The fourth proportional to 745,291.86, 1,117,913.91 and 313,238.17 is: 469,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,291.86 : 1,117,913.91 = 313,238.17 : x
  2. Step 2: Convert to fraction form
    745,291.86/1,117,913.91 = 313,238.17/x
  3. Step 3: Cross multiply
    745,291.86x = 1,117,913.91 × 313,238.17
  4. Step 4: Simplify right side
    745,291.86x = 350,173,307,385.95
  5. Step 5: Solve for x
    x = 350,173,307,385.95/745,291.86
  6. Step 6: Final answer
    x = 469,847.22

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