Home / 670,817.40-1,006,274.70-404,003.40

Finding the Fourth Proportional to 670,817.40, 1,006,274.70 and 404,003.40

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Solution

The fourth proportional to 670,817.40, 1,006,274.70 and 404,003.40 is: 606,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,817.40 : 1,006,274.70 = 404,003.40 : x
  2. Step 2: Convert to fraction form
    670,817.40/1,006,274.70 = 404,003.40/x
  3. Step 3: Cross multiply
    670,817.40x = 1,006,274.70 × 404,003.40
  4. Step 4: Simplify right side
    670,817.40x = 406,538,400,133.98
  5. Step 5: Solve for x
    x = 406,538,400,133.98/670,817.40
  6. Step 6: Final answer
    x = 606,034.37

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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.