Home / 758,804.57-1,138,206.92-211,675.59

Finding the Fourth Proportional to 758,804.57, 1,138,206.92 and 211,675.59

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Solution

The fourth proportional to 758,804.57, 1,138,206.92 and 211,675.59 is: 317,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,804.57 : 1,138,206.92 = 211,675.59 : x
  2. Step 2: Convert to fraction form
    758,804.57/1,138,206.92 = 211,675.59/x
  3. Step 3: Cross multiply
    758,804.57x = 1,138,206.92 × 211,675.59
  4. Step 4: Simplify right side
    758,804.57x = 240,930,620,274.71
  5. Step 5: Solve for x
    x = 240,930,620,274.71/758,804.57
  6. Step 6: Final answer
    x = 317,513.40

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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.