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Finding the Fourth Proportional to 652,290.45, 900,168.20 and 361,907.34

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Solution

The fourth proportional to 652,290.45, 900,168.20 and 361,907.34 is: 499,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,290.45 : 900,168.20 = 361,907.34 : x
  2. Step 2: Convert to fraction form
    652,290.45/900,168.20 = 361,907.34/x
  3. Step 3: Cross multiply
    652,290.45x = 900,168.20 × 361,907.34
  4. Step 4: Simplify right side
    652,290.45x = 325,777,472,504.21
  5. Step 5: Solve for x
    x = 325,777,472,504.21/652,290.45
  6. Step 6: Final answer
    x = 499,436.22

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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.