Home / 651,634.48-899,240.97-379,685.44

Finding the Fourth Proportional to 651,634.48, 899,240.97 and 379,685.44

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Solution

The fourth proportional to 651,634.48, 899,240.97 and 379,685.44 is: 523,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,634.48 : 899,240.97 = 379,685.44 : x
  2. Step 2: Convert to fraction form
    651,634.48/899,240.97 = 379,685.44/x
  3. Step 3: Cross multiply
    651,634.48x = 899,240.97 × 379,685.44
  4. Step 4: Simplify right side
    651,634.48x = 341,428,703,360.48
  5. Step 5: Solve for x
    x = 341,428,703,360.48/651,634.48
  6. Step 6: Final answer
    x = 523,957.39

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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.