Home / 703,089.45-1,054,962.18-418,772.16

Finding the Fourth Proportional to 703,089.45, 1,054,962.18 and 418,772.16

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Solution

The fourth proportional to 703,089.45, 1,054,962.18 and 418,772.16 is: 628,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,089.45 : 1,054,962.18 = 418,772.16 : x
  2. Step 2: Convert to fraction form
    703,089.45/1,054,962.18 = 418,772.16/x
  3. Step 3: Cross multiply
    703,089.45x = 1,054,962.18 × 418,772.16
  4. Step 4: Simplify right side
    703,089.45x = 441,788,790,836.91
  5. Step 5: Solve for x
    x = 441,788,790,836.91/703,089.45
  6. Step 6: Final answer
    x = 628,353.61

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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.