Home / 425,629.44-637,317.66-256,924.26

Finding the Fourth Proportional to 425,629.44, 637,317.66 and 256,924.26

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Solution

The fourth proportional to 425,629.44, 637,317.66 and 256,924.26 is: 384,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,629.44 : 637,317.66 = 256,924.26 : x
  2. Step 2: Convert to fraction form
    425,629.44/637,317.66 = 256,924.26/x
  3. Step 3: Cross multiply
    425,629.44x = 637,317.66 × 256,924.26
  4. Step 4: Simplify right side
    425,629.44x = 163,742,368,180.43
  5. Step 5: Solve for x
    x = 163,742,368,180.43/425,629.44
  6. Step 6: Final answer
    x = 384,706.40

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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.