Home / 631,946.88-948,159.74-379,403.73

Finding the Fourth Proportional to 631,946.88, 948,159.74 and 379,403.73

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Solution

The fourth proportional to 631,946.88, 948,159.74 and 379,403.73 is: 569,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,946.88 : 948,159.74 = 379,403.73 : x
  2. Step 2: Convert to fraction form
    631,946.88/948,159.74 = 379,403.73/x
  3. Step 3: Cross multiply
    631,946.88x = 948,159.74 × 379,403.73
  4. Step 4: Simplify right side
    631,946.88x = 359,735,342,940.34
  5. Step 5: Solve for x
    x = 359,735,342,940.34/631,946.88
  6. Step 6: Final answer
    x = 569,249.34

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Double scale
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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.