Home / 670,161.80-1,006,020.30-404,222.60

Finding the Fourth Proportional to 670,161.80, 1,006,020.30 and 404,222.60

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Solution

The fourth proportional to 670,161.80, 1,006,020.30 and 404,222.60 is: 606,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,161.80 : 1,006,020.30 = 404,222.60 : x
  2. Step 2: Convert to fraction form
    670,161.80/1,006,020.30 = 404,222.60/x
  3. Step 3: Cross multiply
    670,161.80x = 1,006,020.30 × 404,222.60
  4. Step 4: Simplify right side
    670,161.80x = 406,656,141,318.78
  5. Step 5: Solve for x
    x = 406,656,141,318.78/670,161.80
  6. Step 6: Final answer
    x = 606,802.93

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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.