Home / 908,349.69-1,362,735.59-309,316.04

Finding the Fourth Proportional to 908,349.69, 1,362,735.59 and 309,316.04

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Solution

The fourth proportional to 908,349.69, 1,362,735.59 and 309,316.04 is: 464,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,349.69 : 1,362,735.59 = 309,316.04 : x
  2. Step 2: Convert to fraction form
    908,349.69/1,362,735.59 = 309,316.04/x
  3. Step 3: Cross multiply
    908,349.69x = 1,362,735.59 × 309,316.04
  4. Step 4: Simplify right side
    908,349.69x = 421,515,974,059.19
  5. Step 5: Solve for x
    x = 421,515,974,059.19/908,349.69
  6. Step 6: Final answer
    x = 464,045.93

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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.