Home / 850,981.71-1,174,400.96-488,402.67

Finding the Fourth Proportional to 850,981.71, 1,174,400.96 and 488,402.67

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Solution

The fourth proportional to 850,981.71, 1,174,400.96 and 488,402.67 is: 674,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,981.71 : 1,174,400.96 = 488,402.67 : x
  2. Step 2: Convert to fraction form
    850,981.71/1,174,400.96 = 488,402.67/x
  3. Step 3: Cross multiply
    850,981.71x = 1,174,400.96 × 488,402.67
  4. Step 4: Simplify right side
    850,981.71x = 573,580,562,072.55
  5. Step 5: Solve for x
    x = 573,580,562,072.55/850,981.71
  6. Step 6: Final answer
    x = 674,022.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.