Home / 804,143.30-1,203,200.06-478,741.16

Finding the Fourth Proportional to 804,143.30, 1,203,200.06 and 478,741.16

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Solution

The fourth proportional to 804,143.30, 1,203,200.06 and 478,741.16 is: 716,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,143.30 : 1,203,200.06 = 478,741.16 : x
  2. Step 2: Convert to fraction form
    804,143.30/1,203,200.06 = 478,741.16/x
  3. Step 3: Cross multiply
    804,143.30x = 1,203,200.06 × 478,741.16
  4. Step 4: Simplify right side
    804,143.30x = 576,021,384,026.76
  5. Step 5: Solve for x
    x = 576,021,384,026.76/804,143.30
  6. Step 6: Final answer
    x = 716,316.84

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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.