Home / 804,416.10-1,206,605.70-404,949.60

Finding the Fourth Proportional to 804,416.10, 1,206,605.70 and 404,949.60

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Solution

The fourth proportional to 804,416.10, 1,206,605.70 and 404,949.60 is: 607,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,416.10 : 1,206,605.70 = 404,949.60 : x
  2. Step 2: Convert to fraction form
    804,416.10/1,206,605.70 = 404,949.60/x
  3. Step 3: Cross multiply
    804,416.10x = 1,206,605.70 × 404,949.60
  4. Step 4: Simplify right side
    804,416.10x = 488,614,495,572.72
  5. Step 5: Solve for x
    x = 488,614,495,572.72/804,416.10
  6. Step 6: Final answer
    x = 607,415.11

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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.