Home / 830,033.40-1,245,195.90-297,863.40

Finding the Fourth Proportional to 830,033.40, 1,245,195.90 and 297,863.40

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Solution

The fourth proportional to 830,033.40, 1,245,195.90 and 297,863.40 is: 446,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,033.40 : 1,245,195.90 = 297,863.40 : x
  2. Step 2: Convert to fraction form
    830,033.40/1,245,195.90 = 297,863.40/x
  3. Step 3: Cross multiply
    830,033.40x = 1,245,195.90 × 297,863.40
  4. Step 4: Simplify right side
    830,033.40x = 370,898,284,440.06
  5. Step 5: Solve for x
    x = 370,898,284,440.06/830,033.40
  6. Step 6: Final answer
    x = 446,847.42

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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.