Home / 743,154.33-1,025,558.24-403,622.58

Finding the Fourth Proportional to 743,154.33, 1,025,558.24 and 403,622.58

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Solution

The fourth proportional to 743,154.33, 1,025,558.24 and 403,622.58 is: 557,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,154.33 : 1,025,558.24 = 403,622.58 : x
  2. Step 2: Convert to fraction form
    743,154.33/1,025,558.24 = 403,622.58/x
  3. Step 3: Cross multiply
    743,154.33x = 1,025,558.24 × 403,622.58
  4. Step 4: Simplify right side
    743,154.33x = 413,938,464,596.79
  5. Step 5: Solve for x
    x = 413,938,464,596.79/743,154.33
  6. Step 6: Final answer
    x = 557,002.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.