Home / 804,433.84-1,204,813.68-384,004.96

Finding the Fourth Proportional to 804,433.84, 1,204,813.68 and 384,004.96

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Solution

The fourth proportional to 804,433.84, 1,204,813.68 and 384,004.96 is: 575,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,433.84 : 1,204,813.68 = 384,004.96 : x
  2. Step 2: Convert to fraction form
    804,433.84/1,204,813.68 = 384,004.96/x
  3. Step 3: Cross multiply
    804,433.84x = 1,204,813.68 × 384,004.96
  4. Step 4: Simplify right side
    804,433.84x = 462,654,428,995.85
  5. Step 5: Solve for x
    x = 462,654,428,995.85/804,433.84
  6. Step 6: Final answer
    x = 575,130.49

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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.