Home / 648,471.46-972,742.66-269,430.51

Finding the Fourth Proportional to 648,471.46, 972,742.66 and 269,430.51

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Solution

The fourth proportional to 648,471.46, 972,742.66 and 269,430.51 is: 404,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,471.46 : 972,742.66 = 269,430.51 : x
  2. Step 2: Convert to fraction form
    648,471.46/972,742.66 = 269,430.51/x
  3. Step 3: Cross multiply
    648,471.46x = 972,742.66 × 269,430.51
  4. Step 4: Simplify right side
    648,471.46x = 262,086,554,714.54
  5. Step 5: Solve for x
    x = 262,086,554,714.54/648,471.46
  6. Step 6: Final answer
    x = 404,160.51

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1.5x scale

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.