Home / 718,028.64-1,077,242.52-313,256.24

Finding the Fourth Proportional to 718,028.64, 1,077,242.52 and 313,256.24

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Solution

The fourth proportional to 718,028.64, 1,077,242.52 and 313,256.24 is: 469,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,028.64 : 1,077,242.52 = 313,256.24 : x
  2. Step 2: Convert to fraction form
    718,028.64/1,077,242.52 = 313,256.24/x
  3. Step 3: Cross multiply
    718,028.64x = 1,077,242.52 × 313,256.24
  4. Step 4: Simplify right side
    718,028.64x = 337,452,941,383.33
  5. Step 5: Solve for x
    x = 337,452,941,383.33/718,028.64
  6. Step 6: Final answer
    x = 469,971.42

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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.