Home / 897,796.30-1,238,955.50-489,894.56

Finding the Fourth Proportional to 897,796.30, 1,238,955.50 and 489,894.56

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Solution

The fourth proportional to 897,796.30, 1,238,955.50 and 489,894.56 is: 676,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,796.30 : 1,238,955.50 = 489,894.56 : x
  2. Step 2: Convert to fraction form
    897,796.30/1,238,955.50 = 489,894.56/x
  3. Step 3: Cross multiply
    897,796.30x = 1,238,955.50 × 489,894.56
  4. Step 4: Simplify right side
    897,796.30x = 606,957,559,532.08
  5. Step 5: Solve for x
    x = 606,957,559,532.08/897,796.30
  6. Step 6: Final answer
    x = 676,052.64

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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.