Home / 830,944.80-1,246,195.73-231,800.40

Finding the Fourth Proportional to 830,944.80, 1,246,195.73 and 231,800.40

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Solution

The fourth proportional to 830,944.80, 1,246,195.73 and 231,800.40 is: 347,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,944.80 : 1,246,195.73 = 231,800.40 : x
  2. Step 2: Convert to fraction form
    830,944.80/1,246,195.73 = 231,800.40/x
  3. Step 3: Cross multiply
    830,944.80x = 1,246,195.73 × 231,800.40
  4. Step 4: Simplify right side
    830,944.80x = 288,868,669,271.79
  5. Step 5: Solve for x
    x = 288,868,669,271.79/830,944.80
  6. Step 6: Final answer
    x = 347,638.82

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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.