Home / 703,102.32-1,054,810.14-387,396.72

Finding the Fourth Proportional to 703,102.32, 1,054,810.14 and 387,396.72

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Solution

The fourth proportional to 703,102.32, 1,054,810.14 and 387,396.72 is: 581,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,102.32 : 1,054,810.14 = 387,396.72 : x
  2. Step 2: Convert to fraction form
    703,102.32/1,054,810.14 = 387,396.72/x
  3. Step 3: Cross multiply
    703,102.32x = 1,054,810.14 × 387,396.72
  4. Step 4: Simplify right side
    703,102.32x = 408,629,988,458.74
  5. Step 5: Solve for x
    x = 408,629,988,458.74/703,102.32
  6. Step 6: Final answer
    x = 581,181.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.