Home / 931,457.28-1,284,659.12-625,441.44

Finding the Fourth Proportional to 931,457.28, 1,284,659.12 and 625,441.44

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Solution

The fourth proportional to 931,457.28, 1,284,659.12 and 625,441.44 is: 862,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,457.28 : 1,284,659.12 = 625,441.44 : x
  2. Step 2: Convert to fraction form
    931,457.28/1,284,659.12 = 625,441.44/x
  3. Step 3: Cross multiply
    931,457.28x = 1,284,659.12 × 625,441.44
  4. Step 4: Simplify right side
    931,457.28x = 803,479,049,921.93
  5. Step 5: Solve for x
    x = 803,479,049,921.93/931,457.28
  6. Step 6: Final answer
    x = 862,604.29

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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.