Home / 648,440.82-894,844.85-376,575.48

Finding the Fourth Proportional to 648,440.82, 894,844.85 and 376,575.48

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Solution

The fourth proportional to 648,440.82, 894,844.85 and 376,575.48 is: 519,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,440.82 : 894,844.85 = 376,575.48 : x
  2. Step 2: Convert to fraction form
    648,440.82/894,844.85 = 376,575.48/x
  3. Step 3: Cross multiply
    648,440.82x = 894,844.85 × 376,575.48
  4. Step 4: Simplify right side
    648,440.82x = 336,976,627,031.40
  5. Step 5: Solve for x
    x = 336,976,627,031.40/648,440.82
  6. Step 6: Final answer
    x = 519,672.14

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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.