Home / 804,412.10-1,206,599.70-404,945.60

Finding the Fourth Proportional to 804,412.10, 1,206,599.70 and 404,945.60

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Solution

The fourth proportional to 804,412.10, 1,206,599.70 and 404,945.60 is: 607,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,412.10 : 1,206,599.70 = 404,945.60 : x
  2. Step 2: Convert to fraction form
    804,412.10/1,206,599.70 = 404,945.60/x
  3. Step 3: Cross multiply
    804,412.10x = 1,206,599.70 × 404,945.60
  4. Step 4: Simplify right side
    804,412.10x = 488,607,239,476.32
  5. Step 5: Solve for x
    x = 488,607,239,476.32/804,412.10
  6. Step 6: Final answer
    x = 607,409.11

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1.5x scale

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.