Home / 833,510.58-1,150,220.79-489,340.86

Finding the Fourth Proportional to 833,510.58, 1,150,220.79 and 489,340.86

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Solution

The fourth proportional to 833,510.58, 1,150,220.79 and 489,340.86 is: 675,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,510.58 : 1,150,220.79 = 489,340.86 : x
  2. Step 2: Convert to fraction form
    833,510.58/1,150,220.79 = 489,340.86/x
  3. Step 3: Cross multiply
    833,510.58x = 1,150,220.79 × 489,340.86
  4. Step 4: Simplify right side
    833,510.58x = 562,850,030,568.48
  5. Step 5: Solve for x
    x = 562,850,030,568.48/833,510.58
  6. Step 6: Final answer
    x = 675,276.41

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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.