Home / 670,806.14-1,006,209.21-459,804.38

Finding the Fourth Proportional to 670,806.14, 1,006,209.21 and 459,804.38

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Solution

The fourth proportional to 670,806.14, 1,006,209.21 and 459,804.38 is: 689,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,806.14 : 1,006,209.21 = 459,804.38 : x
  2. Step 2: Convert to fraction form
    670,806.14/1,006,209.21 = 459,804.38/x
  3. Step 3: Cross multiply
    670,806.14x = 1,006,209.21 × 459,804.38
  4. Step 4: Simplify right side
    670,806.14x = 462,659,401,954.34
  5. Step 5: Solve for x
    x = 462,659,401,954.34/670,806.14
  6. Step 6: Final answer
    x = 689,706.57

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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.