Home / 946,378.37-1,306,116.75-538,579.41

Finding the Fourth Proportional to 946,378.37, 1,306,116.75 and 538,579.41

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Solution

The fourth proportional to 946,378.37, 1,306,116.75 and 538,579.41 is: 743,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,378.37 : 1,306,116.75 = 538,579.41 : x
  2. Step 2: Convert to fraction form
    946,378.37/1,306,116.75 = 538,579.41/x
  3. Step 3: Cross multiply
    946,378.37x = 1,306,116.75 × 538,579.41
  4. Step 4: Simplify right side
    946,378.37x = 703,447,588,606.12
  5. Step 5: Solve for x
    x = 703,447,588,606.12/946,378.37
  6. Step 6: Final answer
    x = 743,304.81

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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.