Home / 966,505.06-1,449,388.41-317,930.50

Finding the Fourth Proportional to 966,505.06, 1,449,388.41 and 317,930.50

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Solution

The fourth proportional to 966,505.06, 1,449,388.41 and 317,930.50 is: 476,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,505.06 : 1,449,388.41 = 317,930.50 : x
  2. Step 2: Convert to fraction form
    966,505.06/1,449,388.41 = 317,930.50/x
  3. Step 3: Cross multiply
    966,505.06x = 1,449,388.41 × 317,930.50
  4. Step 4: Simplify right side
    966,505.06x = 460,804,781,885.51
  5. Step 5: Solve for x
    x = 460,804,781,885.51/966,505.06
  6. Step 6: Final answer
    x = 476,774.31

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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.