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Finding the Fourth Proportional to 662,784.08, 914,643.84 and 360,978.08

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Solution

The fourth proportional to 662,784.08, 914,643.84 and 360,978.08 is: 498,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,784.08 : 914,643.84 = 360,978.08 : x
  2. Step 2: Convert to fraction form
    662,784.08/914,643.84 = 360,978.08/x
  3. Step 3: Cross multiply
    662,784.08x = 914,643.84 × 360,978.08
  4. Step 4: Simplify right side
    662,784.08x = 330,166,377,247.03
  5. Step 5: Solve for x
    x = 330,166,377,247.03/662,784.08
  6. Step 6: Final answer
    x = 498,150.74

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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.