Home / 823,429.67-1,234,922.30-290,880.59

Finding the Fourth Proportional to 823,429.67, 1,234,922.30 and 290,880.59

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Solution

The fourth proportional to 823,429.67, 1,234,922.30 and 290,880.59 is: 436,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,429.67 : 1,234,922.30 = 290,880.59 : x
  2. Step 2: Convert to fraction form
    823,429.67/1,234,922.30 = 290,880.59/x
  3. Step 3: Cross multiply
    823,429.67x = 1,234,922.30 × 290,880.59
  4. Step 4: Simplify right side
    823,429.67x = 359,214,925,773.75
  5. Step 5: Solve for x
    x = 359,214,925,773.75/823,429.67
  6. Step 6: Final answer
    x = 436,242.39

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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.