Home / 469,831.88-704,536.14-280,379.72

Finding the Fourth Proportional to 469,831.88, 704,536.14 and 280,379.72

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Solution

The fourth proportional to 469,831.88, 704,536.14 and 280,379.72 is: 420,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,831.88 : 704,536.14 = 280,379.72 : x
  2. Step 2: Convert to fraction form
    469,831.88/704,536.14 = 280,379.72/x
  3. Step 3: Cross multiply
    469,831.88x = 704,536.14 × 280,379.72
  4. Step 4: Simplify right side
    469,831.88x = 197,537,645,663.08
  5. Step 5: Solve for x
    x = 197,537,645,663.08/469,831.88
  6. Step 6: Final answer
    x = 420,443.26

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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.