Home / 833,440.21-1,150,123.74-489,270.60

Finding the Fourth Proportional to 833,440.21, 1,150,123.74 and 489,270.60

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Solution

The fourth proportional to 833,440.21, 1,150,123.74 and 489,270.60 is: 675,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,440.21 : 1,150,123.74 = 489,270.60 : x
  2. Step 2: Convert to fraction form
    833,440.21/1,150,123.74 = 489,270.60/x
  3. Step 3: Cross multiply
    833,440.21x = 1,150,123.74 × 489,270.60
  4. Step 4: Simplify right side
    833,440.21x = 562,721,734,822.24
  5. Step 5: Solve for x
    x = 562,721,734,822.24/833,440.21
  6. Step 6: Final answer
    x = 675,179.49

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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.