Home / 874,853.30-1,312,279.81-210,005.30

Finding the Fourth Proportional to 874,853.30, 1,312,279.81 and 210,005.30

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Solution

The fourth proportional to 874,853.30, 1,312,279.81 and 210,005.30 is: 315,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,853.30 : 1,312,279.81 = 210,005.30 : x
  2. Step 2: Convert to fraction form
    874,853.30/1,312,279.81 = 210,005.30/x
  3. Step 3: Cross multiply
    874,853.30x = 1,312,279.81 × 210,005.30
  4. Step 4: Simplify right side
    874,853.30x = 275,585,715,182.99
  5. Step 5: Solve for x
    x = 275,585,715,182.99/874,853.30
  6. Step 6: Final answer
    x = 315,007.92

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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.