Home / 688,846.69-1,033,273.33-209,078.66

Finding the Fourth Proportional to 688,846.69, 1,033,273.33 and 209,078.66

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Solution

The fourth proportional to 688,846.69, 1,033,273.33 and 209,078.66 is: 313,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,846.69 : 1,033,273.33 = 209,078.66 : x
  2. Step 2: Convert to fraction form
    688,846.69/1,033,273.33 = 209,078.66/x
  3. Step 3: Cross multiply
    688,846.69x = 1,033,273.33 × 209,078.66
  4. Step 4: Simplify right side
    688,846.69x = 216,035,397,038.38
  5. Step 5: Solve for x
    x = 216,035,397,038.38/688,846.69
  6. Step 6: Final answer
    x = 313,618.98

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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.