Home / 804,245.72-1,110,290.04-620,082.05

Finding the Fourth Proportional to 804,245.72, 1,110,290.04 and 620,082.05

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Solution

The fourth proportional to 804,245.72, 1,110,290.04 and 620,082.05 is: 856,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,245.72 : 1,110,290.04 = 620,082.05 : x
  2. Step 2: Convert to fraction form
    804,245.72/1,110,290.04 = 620,082.05/x
  3. Step 3: Cross multiply
    804,245.72x = 1,110,290.04 × 620,082.05
  4. Step 4: Simplify right side
    804,245.72x = 688,470,918,546.33
  5. Step 5: Solve for x
    x = 688,470,918,546.33/804,245.72
  6. Step 6: Final answer
    x = 856,045.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.