Home / 469,716.07-648,139.26-262,973.77

Finding the Fourth Proportional to 469,716.07, 648,139.26 and 262,973.77

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Solution

The fourth proportional to 469,716.07, 648,139.26 and 262,973.77 is: 362,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,716.07 : 648,139.26 = 262,973.77 : x
  2. Step 2: Convert to fraction form
    469,716.07/648,139.26 = 262,973.77/x
  3. Step 3: Cross multiply
    469,716.07x = 648,139.26 × 262,973.77
  4. Step 4: Simplify right side
    469,716.07x = 170,443,624,687.21
  5. Step 5: Solve for x
    x = 170,443,624,687.21/469,716.07
  6. Step 6: Final answer
    x = 362,865.22

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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.