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Finding the Fourth Proportional to 613,274.04, 846,212.88 and 563,666.64

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Solution

The fourth proportional to 613,274.04, 846,212.88 and 563,666.64 is: 777,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,274.04 : 846,212.88 = 563,666.64 : x
  2. Step 2: Convert to fraction form
    613,274.04/846,212.88 = 563,666.64/x
  3. Step 3: Cross multiply
    613,274.04x = 846,212.88 × 563,666.64
  4. Step 4: Simplify right side
    613,274.04x = 476,981,970,794.32
  5. Step 5: Solve for x
    x = 476,981,970,794.32/613,274.04
  6. Step 6: Final answer
    x = 777,763.19

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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.