Home / 752,338.86-1,038,227.66-430,055.97

Finding the Fourth Proportional to 752,338.86, 1,038,227.66 and 430,055.97

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Solution

The fourth proportional to 752,338.86, 1,038,227.66 and 430,055.97 is: 593,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,338.86 : 1,038,227.66 = 430,055.97 : x
  2. Step 2: Convert to fraction form
    752,338.86/1,038,227.66 = 430,055.97/x
  3. Step 3: Cross multiply
    752,338.86x = 1,038,227.66 × 430,055.97
  4. Step 4: Simplify right side
    752,338.86x = 446,496,003,402.13
  5. Step 5: Solve for x
    x = 446,496,003,402.13/752,338.86
  6. Step 6: Final answer
    x = 593,477.26

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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.