Home / 774,823.73-1,160,302.65-489,653.96

Finding the Fourth Proportional to 774,823.73, 1,160,302.65 and 489,653.96

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Solution

The fourth proportional to 774,823.73, 1,160,302.65 and 489,653.96 is: 733,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,823.73 : 1,160,302.65 = 489,653.96 : x
  2. Step 2: Convert to fraction form
    774,823.73/1,160,302.65 = 489,653.96/x
  3. Step 3: Cross multiply
    774,823.73x = 1,160,302.65 × 489,653.96
  4. Step 4: Simplify right side
    774,823.73x = 568,146,791,189.85
  5. Step 5: Solve for x
    x = 568,146,791,189.85/774,823.73
  6. Step 6: Final answer
    x = 733,259.41

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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.