Home / 908,353.07-1,362,740.66-309,319.43

Finding the Fourth Proportional to 908,353.07, 1,362,740.66 and 309,319.43

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Solution

The fourth proportional to 908,353.07, 1,362,740.66 and 309,319.43 is: 464,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,353.07 : 1,362,740.66 = 309,319.43 : x
  2. Step 2: Convert to fraction form
    908,353.07/1,362,740.66 = 309,319.43/x
  3. Step 3: Cross multiply
    908,353.07x = 1,362,740.66 × 309,319.43
  4. Step 4: Simplify right side
    908,353.07x = 421,522,156,988.67
  5. Step 5: Solve for x
    x = 421,522,156,988.67/908,353.07
  6. Step 6: Final answer
    x = 464,051.01

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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.