Home / 670,022.70-1,005,034.05-404,601.90

Finding the Fourth Proportional to 670,022.70, 1,005,034.05 and 404,601.90

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Solution

The fourth proportional to 670,022.70, 1,005,034.05 and 404,601.90 is: 606,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,022.70 : 1,005,034.05 = 404,601.90 : x
  2. Step 2: Convert to fraction form
    670,022.70/1,005,034.05 = 404,601.90/x
  3. Step 3: Cross multiply
    670,022.70x = 1,005,034.05 × 404,601.90
  4. Step 4: Simplify right side
    670,022.70x = 406,638,686,194.70
  5. Step 5: Solve for x
    x = 406,638,686,194.70/670,022.70
  6. Step 6: Final answer
    x = 606,902.85

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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.