Home / 417,829.05-576,606.50-245,754.30

Finding the Fourth Proportional to 417,829.05, 576,606.50 and 245,754.30

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Solution

The fourth proportional to 417,829.05, 576,606.50 and 245,754.30 is: 339,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,829.05 : 576,606.50 = 245,754.30 : x
  2. Step 2: Convert to fraction form
    417,829.05/576,606.50 = 245,754.30/x
  3. Step 3: Cross multiply
    417,829.05x = 576,606.50 × 245,754.30
  4. Step 4: Simplify right side
    417,829.05x = 141,703,528,638.03
  5. Step 5: Solve for x
    x = 141,703,528,638.03/417,829.05
  6. Step 6: Final answer
    x = 339,142.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.