Home / 804,147.80-1,203,206.81-478,745.66

Finding the Fourth Proportional to 804,147.80, 1,203,206.81 and 478,745.66

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Solution

The fourth proportional to 804,147.80, 1,203,206.81 and 478,745.66 is: 716,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,147.80 : 1,203,206.81 = 478,745.66 : x
  2. Step 2: Convert to fraction form
    804,147.80/1,203,206.81 = 478,745.66/x
  3. Step 3: Cross multiply
    804,147.80x = 1,203,206.81 × 478,745.66
  4. Step 4: Simplify right side
    804,147.80x = 576,030,029,960.18
  5. Step 5: Solve for x
    x = 576,030,029,960.18/804,147.80
  6. Step 6: Final answer
    x = 716,323.58

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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.