Home / 1,025.09-1,535.58-476.51

Finding the Fourth Proportional to 1,025.09, 1,535.58 and 476.51

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Solution

The fourth proportional to 1,025.09, 1,535.58 and 476.51 is: 713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.09 : 1,535.58 = 476.51 : x
  2. Step 2: Convert to fraction form
    1,025.09/1,535.58 = 476.51/x
  3. Step 3: Cross multiply
    1,025.09x = 1,535.58 × 476.51
  4. Step 4: Simplify right side
    1,025.09x = 731,719.23
  5. Step 5: Solve for x
    x = 731,719.23/1,025.09
  6. Step 6: Final answer
    x = 713.81

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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.