Home / 703,809.84-1,055,631.60-198,408.72

Finding the Fourth Proportional to 703,809.84, 1,055,631.60 and 198,408.72

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Solution

The fourth proportional to 703,809.84, 1,055,631.60 and 198,408.72 is: 297,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,809.84 : 1,055,631.60 = 198,408.72 : x
  2. Step 2: Convert to fraction form
    703,809.84/1,055,631.60 = 198,408.72/x
  3. Step 3: Cross multiply
    703,809.84x = 1,055,631.60 × 198,408.72
  4. Step 4: Simplify right side
    703,809.84x = 209,446,514,547.55
  5. Step 5: Solve for x
    x = 209,446,514,547.55/703,809.84
  6. Step 6: Final answer
    x = 297,589.64

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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.