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Finding the Fourth Proportional to 662,785.02, 914,643.36 and 360,979.02

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Solution

The fourth proportional to 662,785.02, 914,643.36 and 360,979.02 is: 498,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,785.02 : 914,643.36 = 360,979.02 : x
  2. Step 2: Convert to fraction form
    662,785.02/914,643.36 = 360,979.02/x
  3. Step 3: Cross multiply
    662,785.02x = 914,643.36 × 360,979.02
  4. Step 4: Simplify right side
    662,785.02x = 330,167,063,742.31
  5. Step 5: Solve for x
    x = 330,167,063,742.31/662,785.02
  6. Step 6: Final answer
    x = 498,151.07

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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.