Home / 804,662.40-1,207,139.40-404,295.60

Finding the Fourth Proportional to 804,662.40, 1,207,139.40 and 404,295.60

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Solution

The fourth proportional to 804,662.40, 1,207,139.40 and 404,295.60 is: 606,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,662.40 : 1,207,139.40 = 404,295.60 : x
  2. Step 2: Convert to fraction form
    804,662.40/1,207,139.40 = 404,295.60/x
  3. Step 3: Cross multiply
    804,662.40x = 1,207,139.40 × 404,295.60
  4. Step 4: Simplify right side
    804,662.40x = 488,041,148,006.64
  5. Step 5: Solve for x
    x = 488,041,148,006.64/804,662.40
  6. Step 6: Final answer
    x = 606,516.66

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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.