Home / 456,933.47-684,993.31-216,899.28

Finding the Fourth Proportional to 456,933.47, 684,993.31 and 216,899.28

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Solution

The fourth proportional to 456,933.47, 684,993.31 and 216,899.28 is: 325,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,933.47 : 684,993.31 = 216,899.28 : x
  2. Step 2: Convert to fraction form
    456,933.47/684,993.31 = 216,899.28/x
  3. Step 3: Cross multiply
    456,933.47x = 684,993.31 × 216,899.28
  4. Step 4: Simplify right side
    456,933.47x = 148,574,555,201.57
  5. Step 5: Solve for x
    x = 148,574,555,201.57/456,933.47
  6. Step 6: Final answer
    x = 325,155.78

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1.5x scale

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.