Home / 672,390.47-1,008,673.16-245,859.86

Finding the Fourth Proportional to 672,390.47, 1,008,673.16 and 245,859.86

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Solution

The fourth proportional to 672,390.47, 1,008,673.16 and 245,859.86 is: 368,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,390.47 : 1,008,673.16 = 245,859.86 : x
  2. Step 2: Convert to fraction form
    672,390.47/1,008,673.16 = 245,859.86/x
  3. Step 3: Cross multiply
    672,390.47x = 1,008,673.16 × 245,859.86
  4. Step 4: Simplify right side
    672,390.47x = 247,992,235,630.69
  5. Step 5: Solve for x
    x = 247,992,235,630.69/672,390.47
  6. Step 6: Final answer
    x = 368,821.76

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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.