Home / 630,138.60-944,962.20-274,910.40

Finding the Fourth Proportional to 630,138.60, 944,962.20 and 274,910.40

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Solution

The fourth proportional to 630,138.60, 944,962.20 and 274,910.40 is: 412,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,138.60 : 944,962.20 = 274,910.40 : x
  2. Step 2: Convert to fraction form
    630,138.60/944,962.20 = 274,910.40/x
  3. Step 3: Cross multiply
    630,138.60x = 944,962.20 × 274,910.40
  4. Step 4: Simplify right side
    630,138.60x = 259,779,936,386.88
  5. Step 5: Solve for x
    x = 259,779,936,386.88/630,138.60
  6. Step 6: Final answer
    x = 412,258.41

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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.