Home / 897,797.30-1,238,956.88-489,895.56

Finding the Fourth Proportional to 897,797.30, 1,238,956.88 and 489,895.56

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Solution

The fourth proportional to 897,797.30, 1,238,956.88 and 489,895.56 is: 676,054.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,797.30 : 1,238,956.88 = 489,895.56 : x
  2. Step 2: Convert to fraction form
    897,797.30/1,238,956.88 = 489,895.56/x
  3. Step 3: Cross multiply
    897,797.30x = 1,238,956.88 × 489,895.56
  4. Step 4: Simplify right side
    897,797.30x = 606,959,474,543.45
  5. Step 5: Solve for x
    x = 606,959,474,543.45/897,797.30
  6. Step 6: Final answer
    x = 676,054.02

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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.