Home / 887,848.96-1,331,738.16-489,280

Finding the Fourth Proportional to 887,848.96, 1,331,738.16 and 489,280

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Solution

The fourth proportional to 887,848.96, 1,331,738.16 and 489,280 is: 733,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,848.96 : 1,331,738.16 = 489,280 : x
  2. Step 2: Convert to fraction form
    887,848.96/1,331,738.16 = 489,280/x
  3. Step 3: Cross multiply
    887,848.96x = 1,331,738.16 × 489,280
  4. Step 4: Simplify right side
    887,848.96x = 651,592,846,924.80
  5. Step 5: Solve for x
    x = 651,592,846,924.80/887,848.96
  6. Step 6: Final answer
    x = 733,900.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.