Home / 897,625.54-1,238,679.92-489,703.06

Finding the Fourth Proportional to 897,625.54, 1,238,679.92 and 489,703.06

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Solution

The fourth proportional to 897,625.54, 1,238,679.92 and 489,703.06 is: 675,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,625.54 : 1,238,679.92 = 489,703.06 : x
  2. Step 2: Convert to fraction form
    897,625.54/1,238,679.92 = 489,703.06/x
  3. Step 3: Cross multiply
    897,625.54x = 1,238,679.92 × 489,703.06
  4. Step 4: Simplify right side
    897,625.54x = 606,585,347,184.56
  5. Step 5: Solve for x
    x = 606,585,347,184.56/897,625.54
  6. Step 6: Final answer
    x = 675,766.59

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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.