Home / 648,227.37-894,548.65-376,320.54

Finding the Fourth Proportional to 648,227.37, 894,548.65 and 376,320.54

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Solution

The fourth proportional to 648,227.37, 894,548.65 and 376,320.54 is: 519,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,227.37 : 894,548.65 = 376,320.54 : x
  2. Step 2: Convert to fraction form
    648,227.37/894,548.65 = 376,320.54/x
  3. Step 3: Cross multiply
    648,227.37x = 894,548.65 × 376,320.54
  4. Step 4: Simplify right side
    648,227.37x = 336,637,031,024.27
  5. Step 5: Solve for x
    x = 336,637,031,024.27/648,227.37
  6. Step 6: Final answer
    x = 519,319.37

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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.