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Finding the Fourth Proportional to 662,774.02, 914,628.18 and 360,968.02

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Solution

The fourth proportional to 662,774.02, 914,628.18 and 360,968.02 is: 498,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,774.02 : 914,628.18 = 360,968.02 : x
  2. Step 2: Convert to fraction form
    662,774.02/914,628.18 = 360,968.02/x
  3. Step 3: Cross multiply
    662,774.02x = 914,628.18 × 360,968.02
  4. Step 4: Simplify right side
    662,774.02x = 330,151,523,170.80
  5. Step 5: Solve for x
    x = 330,151,523,170.80/662,774.02
  6. Step 6: Final answer
    x = 498,135.89

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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.