Home / 700,810.25-1,051,488.07-280,206.41

Finding the Fourth Proportional to 700,810.25, 1,051,488.07 and 280,206.41

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Solution

The fourth proportional to 700,810.25, 1,051,488.07 and 280,206.41 is: 420,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,810.25 : 1,051,488.07 = 280,206.41 : x
  2. Step 2: Convert to fraction form
    700,810.25/1,051,488.07 = 280,206.41/x
  3. Step 3: Cross multiply
    700,810.25x = 1,051,488.07 × 280,206.41
  4. Step 4: Simplify right side
    700,810.25x = 294,633,691,294.57
  5. Step 5: Solve for x
    x = 294,633,691,294.57/700,810.25
  6. Step 6: Final answer
    x = 420,418.64

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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.