Home / 830,826.75-1,246,239.17-298,348.35

Finding the Fourth Proportional to 830,826.75, 1,246,239.17 and 298,348.35

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Solution

The fourth proportional to 830,826.75, 1,246,239.17 and 298,348.35 is: 447,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,826.75 : 1,246,239.17 = 298,348.35 : x
  2. Step 2: Convert to fraction form
    830,826.75/1,246,239.17 = 298,348.35/x
  3. Step 3: Cross multiply
    830,826.75x = 1,246,239.17 × 298,348.35
  4. Step 4: Simplify right side
    830,826.75x = 371,813,395,028.54
  5. Step 5: Solve for x
    x = 371,813,395,028.54/830,826.75
  6. Step 6: Final answer
    x = 447,522.17

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1.5x scale

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.