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Finding the Fourth Proportional to 606,083.46, 908,928.36 and 286,185.84

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Solution

The fourth proportional to 606,083.46, 908,928.36 and 286,185.84 is: 429,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,083.46 : 908,928.36 = 286,185.84 : x
  2. Step 2: Convert to fraction form
    606,083.46/908,928.36 = 286,185.84/x
  3. Step 3: Cross multiply
    606,083.46x = 908,928.36 × 286,185.84
  4. Step 4: Simplify right side
    606,083.46x = 260,122,426,206.42
  5. Step 5: Solve for x
    x = 260,122,426,206.42/606,083.46
  6. Step 6: Final answer
    x = 429,185.82

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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.