Home / 851,823.37-1,175,517.24-489,317.45

Finding the Fourth Proportional to 851,823.37, 1,175,517.24 and 489,317.45

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Solution

The fourth proportional to 851,823.37, 1,175,517.24 and 489,317.45 is: 675,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,823.37 : 1,175,517.24 = 489,317.45 : x
  2. Step 2: Convert to fraction form
    851,823.37/1,175,517.24 = 489,317.45/x
  3. Step 3: Cross multiply
    851,823.37x = 1,175,517.24 × 489,317.45
  4. Step 4: Simplify right side
    851,823.37x = 575,201,098,307.84
  5. Step 5: Solve for x
    x = 575,201,098,307.84/851,823.37
  6. Step 6: Final answer
    x = 675,258.65

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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.