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Finding the Fourth Proportional to 590,332.20, 884,477.70 and 274,140.60

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Solution

The fourth proportional to 590,332.20, 884,477.70 and 274,140.60 is: 410,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,332.20 : 884,477.70 = 274,140.60 : x
  2. Step 2: Convert to fraction form
    590,332.20/884,477.70 = 274,140.60/x
  3. Step 3: Cross multiply
    590,332.20x = 884,477.70 × 274,140.60
  4. Step 4: Simplify right side
    590,332.20x = 242,471,247,364.62
  5. Step 5: Solve for x
    x = 242,471,247,364.62/590,332.20
  6. Step 6: Final answer
    x = 410,736.95

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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.