Home / 874,723.40-1,206,705.60-511,922.52

Finding the Fourth Proportional to 874,723.40, 1,206,705.60 and 511,922.52

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Solution

The fourth proportional to 874,723.40, 1,206,705.60 and 511,922.52 is: 706,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,723.40 : 1,206,705.60 = 511,922.52 : x
  2. Step 2: Convert to fraction form
    874,723.40/1,206,705.60 = 511,922.52/x
  3. Step 3: Cross multiply
    874,723.40x = 1,206,705.60 × 511,922.52
  4. Step 4: Simplify right side
    874,723.40x = 617,739,771,650.11
  5. Step 5: Solve for x
    x = 617,739,771,650.11/874,723.40
  6. Step 6: Final answer
    x = 706,211.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.