Home / 874,855.30-1,312,282.81-210,007.30

Finding the Fourth Proportional to 874,855.30, 1,312,282.81 and 210,007.30

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Solution

The fourth proportional to 874,855.30, 1,312,282.81 and 210,007.30 is: 315,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,855.30 : 1,312,282.81 = 210,007.30 : x
  2. Step 2: Convert to fraction form
    874,855.30/1,312,282.81 = 210,007.30/x
  3. Step 3: Cross multiply
    874,855.30x = 1,312,282.81 × 210,007.30
  4. Step 4: Simplify right side
    874,855.30x = 275,588,969,764.51
  5. Step 5: Solve for x
    x = 275,588,969,764.51/874,855.30
  6. Step 6: Final answer
    x = 315,010.92

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1.5x scale

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.