Home / 897,270.72-1,238,199.12-494,862.72

Finding the Fourth Proportional to 897,270.72, 1,238,199.12 and 494,862.72

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Solution

The fourth proportional to 897,270.72, 1,238,199.12 and 494,862.72 is: 682,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,270.72 : 1,238,199.12 = 494,862.72 : x
  2. Step 2: Convert to fraction form
    897,270.72/1,238,199.12 = 494,862.72/x
  3. Step 3: Cross multiply
    897,270.72x = 1,238,199.12 × 494,862.72
  4. Step 4: Simplify right side
    897,270.72x = 612,738,584,424.81
  5. Step 5: Solve for x
    x = 612,738,584,424.81/897,270.72
  6. Step 6: Final answer
    x = 682,891.54

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1.5x scale

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.