Home / 701,042.40-1,051,628.40-280,231.20

Finding the Fourth Proportional to 701,042.40, 1,051,628.40 and 280,231.20

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Solution

The fourth proportional to 701,042.40, 1,051,628.40 and 280,231.20 is: 420,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,042.40 : 1,051,628.40 = 280,231.20 : x
  2. Step 2: Convert to fraction form
    701,042.40/1,051,628.40 = 280,231.20/x
  3. Step 3: Cross multiply
    701,042.40x = 1,051,628.40 × 280,231.20
  4. Step 4: Simplify right side
    701,042.40x = 294,699,088,486.08
  5. Step 5: Solve for x
    x = 294,699,088,486.08/701,042.40
  6. Step 6: Final answer
    x = 420,372.70

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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.