Home / 896,860.76-1,344,895.35-257,019.29

Finding the Fourth Proportional to 896,860.76, 1,344,895.35 and 257,019.29

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Solution

The fourth proportional to 896,860.76, 1,344,895.35 and 257,019.29 is: 385,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,860.76 : 1,344,895.35 = 257,019.29 : x
  2. Step 2: Convert to fraction form
    896,860.76/1,344,895.35 = 257,019.29/x
  3. Step 3: Cross multiply
    896,860.76x = 1,344,895.35 × 257,019.29
  4. Step 4: Simplify right side
    896,860.76x = 345,664,042,220.65
  5. Step 5: Solve for x
    x = 345,664,042,220.65/896,860.76
  6. Step 6: Final answer
    x = 385,415.51

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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.