Home / 803,143.36-1,204,115.76-483,220.24

Finding the Fourth Proportional to 803,143.36, 1,204,115.76 and 483,220.24

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Solution

The fourth proportional to 803,143.36, 1,204,115.76 and 483,220.24 is: 724,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,143.36 : 1,204,115.76 = 483,220.24 : x
  2. Step 2: Convert to fraction form
    803,143.36/1,204,115.76 = 483,220.24/x
  3. Step 3: Cross multiply
    803,143.36x = 1,204,115.76 × 483,220.24
  4. Step 4: Simplify right side
    803,143.36x = 581,853,106,534.98
  5. Step 5: Solve for x
    x = 581,853,106,534.98/803,143.36
  6. Step 6: Final answer
    x = 724,469.80

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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.