Home / 931,087.19-1,396,375.90-257,007.35

Finding the Fourth Proportional to 931,087.19, 1,396,375.90 and 257,007.35

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Solution

The fourth proportional to 931,087.19, 1,396,375.90 and 257,007.35 is: 385,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,087.19 : 1,396,375.90 = 257,007.35 : x
  2. Step 2: Convert to fraction form
    931,087.19/1,396,375.90 = 257,007.35/x
  3. Step 3: Cross multiply
    931,087.19x = 1,396,375.90 × 257,007.35
  4. Step 4: Simplify right side
    931,087.19x = 358,878,862,680.99
  5. Step 5: Solve for x
    x = 358,878,862,680.99/931,087.19
  6. Step 6: Final answer
    x = 385,440.66

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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.