Home / 476,964.46-657,553.18-380,495.66

Finding the Fourth Proportional to 476,964.46, 657,553.18 and 380,495.66

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Solution

The fourth proportional to 476,964.46, 657,553.18 and 380,495.66 is: 524,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,964.46 : 657,553.18 = 380,495.66 : x
  2. Step 2: Convert to fraction form
    476,964.46/657,553.18 = 380,495.66/x
  3. Step 3: Cross multiply
    476,964.46x = 657,553.18 × 380,495.66
  4. Step 4: Simplify right side
    476,964.46x = 250,196,129,306.72
  5. Step 5: Solve for x
    x = 250,196,129,306.72/476,964.46
  6. Step 6: Final answer
    x = 524,559.28

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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.