Home / 465,947.87-643,004.80-264,743.87

Finding the Fourth Proportional to 465,947.87, 643,004.80 and 264,743.87

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Solution

The fourth proportional to 465,947.87, 643,004.80 and 264,743.87 is: 365,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,947.87 : 643,004.80 = 264,743.87 : x
  2. Step 2: Convert to fraction form
    465,947.87/643,004.80 = 264,743.87/x
  3. Step 3: Cross multiply
    465,947.87x = 643,004.80 × 264,743.87
  4. Step 4: Simplify right side
    465,947.87x = 170,231,575,303.69
  5. Step 5: Solve for x
    x = 170,231,575,303.69/465,947.87
  6. Step 6: Final answer
    x = 365,344.68

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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.