Home / 874,852.30-1,312,278.31-210,004.30

Finding the Fourth Proportional to 874,852.30, 1,312,278.31 and 210,004.30

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Solution

The fourth proportional to 874,852.30, 1,312,278.31 and 210,004.30 is: 315,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,852.30 : 1,312,278.31 = 210,004.30 : x
  2. Step 2: Convert to fraction form
    874,852.30/1,312,278.31 = 210,004.30/x
  3. Step 3: Cross multiply
    874,852.30x = 1,312,278.31 × 210,004.30
  4. Step 4: Simplify right side
    874,852.30x = 275,584,087,896.73
  5. Step 5: Solve for x
    x = 275,584,087,896.73/874,852.30
  6. Step 6: Final answer
    x = 315,006.42

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Double scale
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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.