Home / 851,766.23-1,175,435.08-489,213.54

Finding the Fourth Proportional to 851,766.23, 1,175,435.08 and 489,213.54

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Solution

The fourth proportional to 851,766.23, 1,175,435.08 and 489,213.54 is: 675,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,766.23 : 1,175,435.08 = 489,213.54 : x
  2. Step 2: Convert to fraction form
    851,766.23/1,175,435.08 = 489,213.54/x
  3. Step 3: Cross multiply
    851,766.23x = 1,175,435.08 × 489,213.54
  4. Step 4: Simplify right side
    851,766.23x = 575,038,755,303.95
  5. Step 5: Solve for x
    x = 575,038,755,303.95/851,766.23
  6. Step 6: Final answer
    x = 675,113.35

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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.