Home / 672,029.60-1,008,044.40-298,781.60

Finding the Fourth Proportional to 672,029.60, 1,008,044.40 and 298,781.60

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Solution

The fourth proportional to 672,029.60, 1,008,044.40 and 298,781.60 is: 448,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,029.60 : 1,008,044.40 = 298,781.60 : x
  2. Step 2: Convert to fraction form
    672,029.60/1,008,044.40 = 298,781.60/x
  3. Step 3: Cross multiply
    672,029.60x = 1,008,044.40 × 298,781.60
  4. Step 4: Simplify right side
    672,029.60x = 301,185,118,703.04
  5. Step 5: Solve for x
    x = 301,185,118,703.04/672,029.60
  6. Step 6: Final answer
    x = 448,172.40

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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.