Home / 687,035.32-948,114.01-376,935.88

Finding the Fourth Proportional to 687,035.32, 948,114.01 and 376,935.88

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Solution

The fourth proportional to 687,035.32, 948,114.01 and 376,935.88 is: 520,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,035.32 : 948,114.01 = 376,935.88 : x
  2. Step 2: Convert to fraction form
    687,035.32/948,114.01 = 376,935.88/x
  3. Step 3: Cross multiply
    687,035.32x = 948,114.01 × 376,935.88
  4. Step 4: Simplify right side
    687,035.32x = 357,378,188,699.68
  5. Step 5: Solve for x
    x = 357,378,188,699.68/687,035.32
  6. Step 6: Final answer
    x = 520,174.40

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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.