Home / 672,205.76-1,009,005.60-298,491.20

Finding the Fourth Proportional to 672,205.76, 1,009,005.60 and 298,491.20

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Solution

The fourth proportional to 672,205.76, 1,009,005.60 and 298,491.20 is: 448,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,205.76 : 1,009,005.60 = 298,491.20 : x
  2. Step 2: Convert to fraction form
    672,205.76/1,009,005.60 = 298,491.20/x
  3. Step 3: Cross multiply
    672,205.76x = 1,009,005.60 × 298,491.20
  4. Step 4: Simplify right side
    672,205.76x = 301,179,292,350.72
  5. Step 5: Solve for x
    x = 301,179,292,350.72/672,205.76
  6. Step 6: Final answer
    x = 448,046.28

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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.