Home / 804,420.10-1,206,611.70-404,953.60

Finding the Fourth Proportional to 804,420.10, 1,206,611.70 and 404,953.60

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Solution

The fourth proportional to 804,420.10, 1,206,611.70 and 404,953.60 is: 607,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,420.10 : 1,206,611.70 = 404,953.60 : x
  2. Step 2: Convert to fraction form
    804,420.10/1,206,611.70 = 404,953.60/x
  3. Step 3: Cross multiply
    804,420.10x = 1,206,611.70 × 404,953.60
  4. Step 4: Simplify right side
    804,420.10x = 488,621,751,717.12
  5. Step 5: Solve for x
    x = 488,621,751,717.12/804,420.10
  6. Step 6: Final answer
    x = 607,421.11

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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.