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Finding the Fourth Proportional to 662,774.36, 914,638.74 and 360,968.36

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Solution

The fourth proportional to 662,774.36, 914,638.74 and 360,968.36 is: 498,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,774.36 : 914,638.74 = 360,968.36 : x
  2. Step 2: Convert to fraction form
    662,774.36/914,638.74 = 360,968.36/x
  3. Step 3: Cross multiply
    662,774.36x = 914,638.74 × 360,968.36
  4. Step 4: Simplify right side
    662,774.36x = 330,155,645,970.27
  5. Step 5: Solve for x
    x = 330,155,645,970.27/662,774.36
  6. Step 6: Final answer
    x = 498,141.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.