Home / 724,579.68-1,086,868.80-475,203.36

Finding the Fourth Proportional to 724,579.68, 1,086,868.80 and 475,203.36

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Solution

The fourth proportional to 724,579.68, 1,086,868.80 and 475,203.36 is: 712,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,579.68 : 1,086,868.80 = 475,203.36 : x
  2. Step 2: Convert to fraction form
    724,579.68/1,086,868.80 = 475,203.36/x
  3. Step 3: Cross multiply
    724,579.68x = 1,086,868.80 × 475,203.36
  4. Step 4: Simplify right side
    724,579.68x = 516,483,705,639.17
  5. Step 5: Solve for x
    x = 516,483,705,639.17/724,579.68
  6. Step 6: Final answer
    x = 712,804.57

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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.