Home / 804,147.29-1,203,206.05-478,745.16

Finding the Fourth Proportional to 804,147.29, 1,203,206.05 and 478,745.16

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Solution

The fourth proportional to 804,147.29, 1,203,206.05 and 478,745.16 is: 716,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,147.29 : 1,203,206.05 = 478,745.16 : x
  2. Step 2: Convert to fraction form
    804,147.29/1,203,206.05 = 478,745.16/x
  3. Step 3: Cross multiply
    804,147.29x = 1,203,206.05 × 478,745.16
  4. Step 4: Simplify right side
    804,147.29x = 576,029,072,920.22
  5. Step 5: Solve for x
    x = 576,029,072,920.22/804,147.29
  6. Step 6: Final answer
    x = 716,322.84

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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.