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Finding the Fourth Proportional to 632,806.82, 873,274.87 and 346,345.39

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Solution

The fourth proportional to 632,806.82, 873,274.87 and 346,345.39 is: 477,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,806.82 : 873,274.87 = 346,345.39 : x
  2. Step 2: Convert to fraction form
    632,806.82/873,274.87 = 346,345.39/x
  3. Step 3: Cross multiply
    632,806.82x = 873,274.87 × 346,345.39
  4. Step 4: Simplify right side
    632,806.82x = 302,454,725,427.35
  5. Step 5: Solve for x
    x = 302,454,725,427.35/632,806.82
  6. Step 6: Final answer
    x = 477,957.44

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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.