Home / 632,599.20-872,986.32-346,120.44

Finding the Fourth Proportional to 632,599.20, 872,986.32 and 346,120.44

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Solution

The fourth proportional to 632,599.20, 872,986.32 and 346,120.44 is: 477,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,599.20 : 872,986.32 = 346,120.44 : x
  2. Step 2: Convert to fraction form
    632,599.20/872,986.32 = 346,120.44/x
  3. Step 3: Cross multiply
    632,599.20x = 872,986.32 × 346,120.44
  4. Step 4: Simplify right side
    632,599.20x = 302,158,409,192.38
  5. Step 5: Solve for x
    x = 302,158,409,192.38/632,599.20
  6. Step 6: Final answer
    x = 477,645.89

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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.