Home / 815,433.44-1,125,267.28-452,880.64

Finding the Fourth Proportional to 815,433.44, 1,125,267.28 and 452,880.64

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Solution

The fourth proportional to 815,433.44, 1,125,267.28 and 452,880.64 is: 624,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,433.44 : 1,125,267.28 = 452,880.64 : x
  2. Step 2: Convert to fraction form
    815,433.44/1,125,267.28 = 452,880.64/x
  3. Step 3: Cross multiply
    815,433.44x = 1,125,267.28 × 452,880.64
  4. Step 4: Simplify right side
    815,433.44x = 509,611,765,937.46
  5. Step 5: Solve for x
    x = 509,611,765,937.46/815,433.44
  6. Step 6: Final answer
    x = 624,958.14

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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.