Home / 874,858.30-1,312,287.31-210,010.30

Finding the Fourth Proportional to 874,858.30, 1,312,287.31 and 210,010.30

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Solution

The fourth proportional to 874,858.30, 1,312,287.31 and 210,010.30 is: 315,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,858.30 : 1,312,287.31 = 210,010.30 : x
  2. Step 2: Convert to fraction form
    874,858.30/1,312,287.31 = 210,010.30/x
  3. Step 3: Cross multiply
    874,858.30x = 1,312,287.31 × 210,010.30
  4. Step 4: Simplify right side
    874,858.30x = 275,593,851,659.29
  5. Step 5: Solve for x
    x = 275,593,851,659.29/874,858.30
  6. Step 6: Final answer
    x = 315,015.42

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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.