Home / 809,536.38-1,117,258.64-470,004.63

Finding the Fourth Proportional to 809,536.38, 1,117,258.64 and 470,004.63

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Solution

The fourth proportional to 809,536.38, 1,117,258.64 and 470,004.63 is: 648,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,536.38 : 1,117,258.64 = 470,004.63 : x
  2. Step 2: Convert to fraction form
    809,536.38/1,117,258.64 = 470,004.63/x
  3. Step 3: Cross multiply
    809,536.38x = 1,117,258.64 × 470,004.63
  4. Step 4: Simplify right side
    809,536.38x = 525,116,733,707.50
  5. Step 5: Solve for x
    x = 525,116,733,707.50/809,536.38
  6. Step 6: Final answer
    x = 648,663.54

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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.