Home / 648,123.24-894,266.78-376,033.44

Finding the Fourth Proportional to 648,123.24, 894,266.78 and 376,033.44

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Solution

The fourth proportional to 648,123.24, 894,266.78 and 376,033.44 is: 518,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,123.24 : 894,266.78 = 376,033.44 : x
  2. Step 2: Convert to fraction form
    648,123.24/894,266.78 = 376,033.44/x
  3. Step 3: Cross multiply
    648,123.24x = 894,266.78 × 376,033.44
  4. Step 4: Simplify right side
    648,123.24x = 336,274,213,561.12
  5. Step 5: Solve for x
    x = 336,274,213,561.12/648,123.24
  6. Step 6: Final answer
    x = 518,843.01

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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.