Home / 650,140.37-975,403.73-313,083.57

Finding the Fourth Proportional to 650,140.37, 975,403.73 and 313,083.57

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Solution

The fourth proportional to 650,140.37, 975,403.73 and 313,083.57 is: 469,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,140.37 : 975,403.73 = 313,083.57 : x
  2. Step 2: Convert to fraction form
    650,140.37/975,403.73 = 313,083.57/x
  3. Step 3: Cross multiply
    650,140.37x = 975,403.73 × 313,083.57
  4. Step 4: Simplify right side
    650,140.37x = 305,382,882,762.43
  5. Step 5: Solve for x
    x = 305,382,882,762.43/650,140.37
  6. Step 6: Final answer
    x = 469,718.39

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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.