Home / 804,144.30-1,203,201.55-478,742.16

Finding the Fourth Proportional to 804,144.30, 1,203,201.55 and 478,742.16

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Solution

The fourth proportional to 804,144.30, 1,203,201.55 and 478,742.16 is: 716,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,144.30 : 1,203,201.55 = 478,742.16 : x
  2. Step 2: Convert to fraction form
    804,144.30/1,203,201.55 = 478,742.16/x
  3. Step 3: Cross multiply
    804,144.30x = 1,203,201.55 × 478,742.16
  4. Step 4: Simplify right side
    804,144.30x = 576,023,308,962.35
  5. Step 5: Solve for x
    x = 576,023,308,962.35/804,144.30
  6. Step 6: Final answer
    x = 716,318.34

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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.