Home / 722,181.80-1,082,981.10-248,623.40

Finding the Fourth Proportional to 722,181.80, 1,082,981.10 and 248,623.40

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Solution

The fourth proportional to 722,181.80, 1,082,981.10 and 248,623.40 is: 372,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,181.80 : 1,082,981.10 = 248,623.40 : x
  2. Step 2: Convert to fraction form
    722,181.80/1,082,981.10 = 248,623.40/x
  3. Step 3: Cross multiply
    722,181.80x = 1,082,981.10 × 248,623.40
  4. Step 4: Simplify right side
    722,181.80x = 269,254,443,217.74
  5. Step 5: Solve for x
    x = 269,254,443,217.74/722,181.80
  6. Step 6: Final answer
    x = 372,834.71

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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.