Home / 856,454.88-1,284,746.04-257,368.08

Finding the Fourth Proportional to 856,454.88, 1,284,746.04 and 257,368.08

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Solution

The fourth proportional to 856,454.88, 1,284,746.04 and 257,368.08 is: 386,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,454.88 : 1,284,746.04 = 257,368.08 : x
  2. Step 2: Convert to fraction form
    856,454.88/1,284,746.04 = 257,368.08/x
  3. Step 3: Cross multiply
    856,454.88x = 1,284,746.04 × 257,368.08
  4. Step 4: Simplify right side
    856,454.88x = 330,652,621,602.40
  5. Step 5: Solve for x
    x = 330,652,621,602.40/856,454.88
  6. Step 6: Final answer
    x = 386,071.27

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