Home / 897,217.88-1,238,160.69-494,809.88

Finding the Fourth Proportional to 897,217.88, 1,238,160.69 and 494,809.88

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Solution

The fourth proportional to 897,217.88, 1,238,160.69 and 494,809.88 is: 682,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,217.88 : 1,238,160.69 = 494,809.88 : x
  2. Step 2: Convert to fraction form
    897,217.88/1,238,160.69 = 494,809.88/x
  3. Step 3: Cross multiply
    897,217.88x = 1,238,160.69 × 494,809.88
  4. Step 4: Simplify right side
    897,217.88x = 612,654,136,248.81
  5. Step 5: Solve for x
    x = 612,654,136,248.81/897,217.88
  6. Step 6: Final answer
    x = 682,837.64

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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.