Home / 908,839.58-1,362,842.01-309,556.89

Finding the Fourth Proportional to 908,839.58, 1,362,842.01 and 309,556.89

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Solution

The fourth proportional to 908,839.58, 1,362,842.01 and 309,556.89 is: 464,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,839.58 : 1,362,842.01 = 309,556.89 : x
  2. Step 2: Convert to fraction form
    908,839.58/1,362,842.01 = 309,556.89/x
  3. Step 3: Cross multiply
    908,839.58x = 1,362,842.01 × 309,556.89
  4. Step 4: Simplify right side
    908,839.58x = 421,877,134,176.95
  5. Step 5: Solve for x
    x = 421,877,134,176.95/908,839.58
  6. Step 6: Final answer
    x = 464,193.18

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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.