Home / 632,424.48-872,734.32-345,942.06

Finding the Fourth Proportional to 632,424.48, 872,734.32 and 345,942.06

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Solution

The fourth proportional to 632,424.48, 872,734.32 and 345,942.06 is: 477,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,424.48 : 872,734.32 = 345,942.06 : x
  2. Step 2: Convert to fraction form
    632,424.48/872,734.32 = 345,942.06/x
  3. Step 3: Cross multiply
    632,424.48x = 872,734.32 × 345,942.06
  4. Step 4: Simplify right side
    632,424.48x = 301,915,508,493.50
  5. Step 5: Solve for x
    x = 301,915,508,493.50/632,424.48
  6. Step 6: Final answer
    x = 477,393.77

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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.