Home / 908,354.40-1,362,486.31-339,693.70

Finding the Fourth Proportional to 908,354.40, 1,362,486.31 and 339,693.70

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Solution

The fourth proportional to 908,354.40, 1,362,486.31 and 339,693.70 is: 509,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,354.40 : 1,362,486.31 = 339,693.70 : x
  2. Step 2: Convert to fraction form
    908,354.40/1,362,486.31 = 339,693.70/x
  3. Step 3: Cross multiply
    908,354.40x = 1,362,486.31 × 339,693.70
  4. Step 4: Simplify right side
    908,354.40x = 462,828,008,181.58
  5. Step 5: Solve for x
    x = 462,828,008,181.58/908,354.40
  6. Step 6: Final answer
    x = 509,523.60

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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.