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Finding the Fourth Proportional to 605,572.95, 908,140.73 and 305,953.95

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Solution

The fourth proportional to 605,572.95, 908,140.73 and 305,953.95 is: 458,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,572.95 : 908,140.73 = 305,953.95 : x
  2. Step 2: Convert to fraction form
    605,572.95/908,140.73 = 305,953.95/x
  3. Step 3: Cross multiply
    605,572.95x = 908,140.73 × 305,953.95
  4. Step 4: Simplify right side
    605,572.95x = 277,849,241,969.61
  5. Step 5: Solve for x
    x = 277,849,241,969.61/605,572.95
  6. Step 6: Final answer
    x = 458,820.43

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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.