Home / 470,015.31-648,621.94-268,811.31

Finding the Fourth Proportional to 470,015.31, 648,621.94 and 268,811.31

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Solution

The fourth proportional to 470,015.31, 648,621.94 and 268,811.31 is: 370,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,015.31 : 648,621.94 = 268,811.31 : x
  2. Step 2: Convert to fraction form
    470,015.31/648,621.94 = 268,811.31/x
  3. Step 3: Cross multiply
    470,015.31x = 648,621.94 × 268,811.31
  4. Step 4: Simplify right side
    470,015.31x = 174,356,913,386.14
  5. Step 5: Solve for x
    x = 174,356,913,386.14/470,015.31
  6. Step 6: Final answer
    x = 370,960.07

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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.