Home / 908,659.42-1,362,726.65-309,607.31

Finding the Fourth Proportional to 908,659.42, 1,362,726.65 and 309,607.31

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Solution

The fourth proportional to 908,659.42, 1,362,726.65 and 309,607.31 is: 464,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,659.42 : 1,362,726.65 = 309,607.31 : x
  2. Step 2: Convert to fraction form
    908,659.42/1,362,726.65 = 309,607.31/x
  3. Step 3: Cross multiply
    908,659.42x = 1,362,726.65 × 309,607.31
  4. Step 4: Simplify right side
    908,659.42x = 421,910,136,552.65
  5. Step 5: Solve for x
    x = 421,910,136,552.65/908,659.42
  6. Step 6: Final answer
    x = 464,321.54

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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.