Home / 684,431.44-1,026,304.56-211,055.32

Finding the Fourth Proportional to 684,431.44, 1,026,304.56 and 211,055.32

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Solution

The fourth proportional to 684,431.44, 1,026,304.56 and 211,055.32 is: 316,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,431.44 : 1,026,304.56 = 211,055.32 : x
  2. Step 2: Convert to fraction form
    684,431.44/1,026,304.56 = 211,055.32/x
  3. Step 3: Cross multiply
    684,431.44x = 1,026,304.56 × 211,055.32
  4. Step 4: Simplify right side
    684,431.44x = 216,607,037,328.26
  5. Step 5: Solve for x
    x = 216,607,037,328.26/684,431.44
  6. Step 6: Final answer
    x = 316,477.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.