Home / 830,722.80-1,246,391.40-800,002.80

Finding the Fourth Proportional to 830,722.80, 1,246,391.40 and 800,002.80

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Solution

The fourth proportional to 830,722.80, 1,246,391.40 and 800,002.80 is: 1,200,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,722.80 : 1,246,391.40 = 800,002.80 : x
  2. Step 2: Convert to fraction form
    830,722.80/1,246,391.40 = 800,002.80/x
  3. Step 3: Cross multiply
    830,722.80x = 1,246,391.40 × 800,002.80
  4. Step 4: Simplify right side
    830,722.80x = 997,116,609,895.92
  5. Step 5: Solve for x
    x = 997,116,609,895.92/830,722.80
  6. Step 6: Final answer
    x = 1,200,300.04

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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.