Home / 931,207.17-1,396,796.67-257,273.40

Finding the Fourth Proportional to 931,207.17, 1,396,796.67 and 257,273.40

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Solution

The fourth proportional to 931,207.17, 1,396,796.67 and 257,273.40 is: 385,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,207.17 : 1,396,796.67 = 257,273.40 : x
  2. Step 2: Convert to fraction form
    931,207.17/1,396,796.67 = 257,273.40/x
  3. Step 3: Cross multiply
    931,207.17x = 1,396,796.67 × 257,273.40
  4. Step 4: Simplify right side
    931,207.17x = 359,358,628,399.58
  5. Step 5: Solve for x
    x = 359,358,628,399.58/931,207.17
  6. Step 6: Final answer
    x = 385,906.21

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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.