Home / 632,485.60-873,089.82-428,815.48

Finding the Fourth Proportional to 632,485.60, 873,089.82 and 428,815.48

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Solution

The fourth proportional to 632,485.60, 873,089.82 and 428,815.48 is: 591,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,485.60 : 873,089.82 = 428,815.48 : x
  2. Step 2: Convert to fraction form
    632,485.60/873,089.82 = 428,815.48/x
  3. Step 3: Cross multiply
    632,485.60x = 873,089.82 × 428,815.48
  4. Step 4: Simplify right side
    632,485.60x = 374,394,430,246.41
  5. Step 5: Solve for x
    x = 374,394,430,246.41/632,485.60
  6. Step 6: Final answer
    x = 591,941.43

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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.