Home / 931,918.23-1,286,480.43-702,568.74

Finding the Fourth Proportional to 931,918.23, 1,286,480.43 and 702,568.74

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Solution

The fourth proportional to 931,918.23, 1,286,480.43 and 702,568.74 is: 969,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,918.23 : 1,286,480.43 = 702,568.74 : x
  2. Step 2: Convert to fraction form
    931,918.23/1,286,480.43 = 702,568.74/x
  3. Step 3: Cross multiply
    931,918.23x = 1,286,480.43 × 702,568.74
  4. Step 4: Simplify right side
    931,918.23x = 903,840,934,739.76
  5. Step 5: Solve for x
    x = 903,840,934,739.76/931,918.23
  6. Step 6: Final answer
    x = 969,871.50

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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.