Home / 908,438.10-1,362,801.15-309,455.70

Finding the Fourth Proportional to 908,438.10, 1,362,801.15 and 309,455.70

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Solution

The fourth proportional to 908,438.10, 1,362,801.15 and 309,455.70 is: 464,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,438.10 : 1,362,801.15 = 309,455.70 : x
  2. Step 2: Convert to fraction form
    908,438.10/1,362,801.15 = 309,455.70/x
  3. Step 3: Cross multiply
    908,438.10x = 1,362,801.15 × 309,455.70
  4. Step 4: Simplify right side
    908,438.10x = 421,726,583,834.06
  5. Step 5: Solve for x
    x = 421,726,583,834.06/908,438.10
  6. Step 6: Final answer
    x = 464,232.60

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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.