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Finding the Fourth Proportional to 668,672.52, 996,058.97 and 632,455.08

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Solution

The fourth proportional to 668,672.52, 996,058.97 and 632,455.08 is: 942,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,672.52 : 996,058.97 = 632,455.08 : x
  2. Step 2: Convert to fraction form
    668,672.52/996,058.97 = 632,455.08/x
  3. Step 3: Cross multiply
    668,672.52x = 996,058.97 × 632,455.08
  4. Step 4: Simplify right side
    668,672.52x = 629,962,555,556.07
  5. Step 5: Solve for x
    x = 629,962,555,556.07/668,672.52
  6. Step 6: Final answer
    x = 942,109.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.