Home / 874,822.69-1,312,234.04-209,974.69

Finding the Fourth Proportional to 874,822.69, 1,312,234.04 and 209,974.69

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Solution

The fourth proportional to 874,822.69, 1,312,234.04 and 209,974.69 is: 314,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,822.69 : 1,312,234.04 = 209,974.69 : x
  2. Step 2: Convert to fraction form
    874,822.69/1,312,234.04 = 209,974.69/x
  3. Step 3: Cross multiply
    874,822.69x = 1,312,234.04 × 209,974.69
  4. Step 4: Simplify right side
    874,822.69x = 275,535,931,425.99
  5. Step 5: Solve for x
    x = 275,535,931,425.99/874,822.69
  6. Step 6: Final answer
    x = 314,962.03

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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.