Home / 476,964.61-657,553.39-380,495.82

Finding the Fourth Proportional to 476,964.61, 657,553.39 and 380,495.82

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Solution

The fourth proportional to 476,964.61, 657,553.39 and 380,495.82 is: 524,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,964.61 : 657,553.39 = 380,495.82 : x
  2. Step 2: Convert to fraction form
    476,964.61/657,553.39 = 380,495.82/x
  3. Step 3: Cross multiply
    476,964.61x = 657,553.39 × 380,495.82
  4. Step 4: Simplify right side
    476,964.61x = 250,196,314,331.62
  5. Step 5: Solve for x
    x = 250,196,314,331.62/476,964.61
  6. Step 6: Final answer
    x = 524,559.49

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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.