Home / 648,112.24-971,241.64-475,983.80

Finding the Fourth Proportional to 648,112.24, 971,241.64 and 475,983.80

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Solution

The fourth proportional to 648,112.24, 971,241.64 and 475,983.80 is: 713,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,112.24 : 971,241.64 = 475,983.80 : x
  2. Step 2: Convert to fraction form
    648,112.24/971,241.64 = 475,983.80/x
  3. Step 3: Cross multiply
    648,112.24x = 971,241.64 × 475,983.80
  4. Step 4: Simplify right side
    648,112.24x = 462,295,286,525.43
  5. Step 5: Solve for x
    x = 462,295,286,525.43/648,112.24
  6. Step 6: Final answer
    x = 713,295.10

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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.