Home / 753,883.46-1,040,367.22-409,719.40

Finding the Fourth Proportional to 753,883.46, 1,040,367.22 and 409,719.40

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Solution

The fourth proportional to 753,883.46, 1,040,367.22 and 409,719.40 is: 565,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,883.46 : 1,040,367.22 = 409,719.40 : x
  2. Step 2: Convert to fraction form
    753,883.46/1,040,367.22 = 409,719.40/x
  3. Step 3: Cross multiply
    753,883.46x = 1,040,367.22 × 409,719.40
  4. Step 4: Simplify right side
    753,883.46x = 426,258,633,158.07
  5. Step 5: Solve for x
    x = 426,258,633,158.07/753,883.46
  6. Step 6: Final answer
    x = 565,417.14

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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.