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Finding the Fourth Proportional to 695,416, 959,674.08 and 377,464

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Solution

The fourth proportional to 695,416, 959,674.08 and 377,464 is: 520,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,416 : 959,674.08 = 377,464 : x
  2. Step 2: Convert to fraction form
    695,416/959,674.08 = 377,464/x
  3. Step 3: Cross multiply
    695,416x = 959,674.08 × 377,464
  4. Step 4: Simplify right side
    695,416x = 362,242,416,933.12
  5. Step 5: Solve for x
    x = 362,242,416,933.12/695,416
  6. Step 6: Final answer
    x = 520,900.32

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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.