Home / 648,292.73-972,403.94-199,013.67

Finding the Fourth Proportional to 648,292.73, 972,403.94 and 199,013.67

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Solution

The fourth proportional to 648,292.73, 972,403.94 and 199,013.67 is: 298,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,292.73 : 972,403.94 = 199,013.67 : x
  2. Step 2: Convert to fraction form
    648,292.73/972,403.94 = 199,013.67/x
  3. Step 3: Cross multiply
    648,292.73x = 972,403.94 × 199,013.67
  4. Step 4: Simplify right side
    648,292.73x = 193,521,677,319.39
  5. Step 5: Solve for x
    x = 193,521,677,319.39/648,292.73
  6. Step 6: Final answer
    x = 298,509.72

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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.