Home / 727,144.24-1,003,420.60-417,030.81

Finding the Fourth Proportional to 727,144.24, 1,003,420.60 and 417,030.81

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Solution

The fourth proportional to 727,144.24, 1,003,420.60 and 417,030.81 is: 575,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,144.24 : 1,003,420.60 = 417,030.81 : x
  2. Step 2: Convert to fraction form
    727,144.24/1,003,420.60 = 417,030.81/x
  3. Step 3: Cross multiply
    727,144.24x = 1,003,420.60 × 417,030.81
  4. Step 4: Simplify right side
    727,144.24x = 418,457,305,588.69
  5. Step 5: Solve for x
    x = 418,457,305,588.69/727,144.24
  6. Step 6: Final answer
    x = 575,480.47

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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.