Home / 931,046.67-1,396,568.16-257,126.25

Finding the Fourth Proportional to 931,046.67, 1,396,568.16 and 257,126.25

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Solution

The fourth proportional to 931,046.67, 1,396,568.16 and 257,126.25 is: 385,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,046.67 : 1,396,568.16 = 257,126.25 : x
  2. Step 2: Convert to fraction form
    931,046.67/1,396,568.16 = 257,126.25/x
  3. Step 3: Cross multiply
    931,046.67x = 1,396,568.16 × 257,126.25
  4. Step 4: Simplify right side
    931,046.67x = 359,094,333,850.20
  5. Step 5: Solve for x
    x = 359,094,333,850.20/931,046.67
  6. Step 6: Final answer
    x = 385,688.87

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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.