Home / 727,697.04-1,004,196.60-405,390.48

Finding the Fourth Proportional to 727,697.04, 1,004,196.60 and 405,390.48

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Solution

The fourth proportional to 727,697.04, 1,004,196.60 and 405,390.48 is: 559,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,697.04 : 1,004,196.60 = 405,390.48 : x
  2. Step 2: Convert to fraction form
    727,697.04/1,004,196.60 = 405,390.48/x
  3. Step 3: Cross multiply
    727,697.04x = 1,004,196.60 × 405,390.48
  4. Step 4: Simplify right side
    727,697.04x = 407,091,741,688.37
  5. Step 5: Solve for x
    x = 407,091,741,688.37/727,697.04
  6. Step 6: Final answer
    x = 559,424.76

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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.