Home / 672,009.26-1,008,410.79-245,507.18

Finding the Fourth Proportional to 672,009.26, 1,008,410.79 and 245,507.18

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Solution

The fourth proportional to 672,009.26, 1,008,410.79 and 245,507.18 is: 368,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,009.26 : 1,008,410.79 = 245,507.18 : x
  2. Step 2: Convert to fraction form
    672,009.26/1,008,410.79 = 245,507.18/x
  3. Step 3: Cross multiply
    672,009.26x = 1,008,410.79 × 245,507.18
  4. Step 4: Simplify right side
    672,009.26x = 247,572,089,334.47
  5. Step 5: Solve for x
    x = 247,572,089,334.47/672,009.26
  6. Step 6: Final answer
    x = 368,405.77

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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.