Home / 931,635.46-1,397,291.10-300,549.28

Finding the Fourth Proportional to 931,635.46, 1,397,291.10 and 300,549.28

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Solution

The fourth proportional to 931,635.46, 1,397,291.10 and 300,549.28 is: 450,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,635.46 : 1,397,291.10 = 300,549.28 : x
  2. Step 2: Convert to fraction form
    931,635.46/1,397,291.10 = 300,549.28/x
  3. Step 3: Cross multiply
    931,635.46x = 1,397,291.10 × 300,549.28
  4. Step 4: Simplify right side
    931,635.46x = 419,954,834,055.41
  5. Step 5: Solve for x
    x = 419,954,834,055.41/931,635.46
  6. Step 6: Final answer
    x = 450,771.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.