Home / 644,947.51-967,537.65-265,661.23

Finding the Fourth Proportional to 644,947.51, 967,537.65 and 265,661.23

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Solution

The fourth proportional to 644,947.51, 967,537.65 and 265,661.23 is: 398,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,947.51 : 967,537.65 = 265,661.23 : x
  2. Step 2: Convert to fraction form
    644,947.51/967,537.65 = 265,661.23/x
  3. Step 3: Cross multiply
    644,947.51x = 967,537.65 × 265,661.23
  4. Step 4: Simplify right side
    644,947.51x = 257,037,242,170.31
  5. Step 5: Solve for x
    x = 257,037,242,170.31/644,947.51
  6. Step 6: Final answer
    x = 398,539.79

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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.