Home / 672,053.60-1,008,080.40-298,805.60

Finding the Fourth Proportional to 672,053.60, 1,008,080.40 and 298,805.60

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Solution

The fourth proportional to 672,053.60, 1,008,080.40 and 298,805.60 is: 448,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,053.60 : 1,008,080.40 = 298,805.60 : x
  2. Step 2: Convert to fraction form
    672,053.60/1,008,080.40 = 298,805.60/x
  3. Step 3: Cross multiply
    672,053.60x = 1,008,080.40 × 298,805.60
  4. Step 4: Simplify right side
    672,053.60x = 301,220,068,770.24
  5. Step 5: Solve for x
    x = 301,220,068,770.24/672,053.60
  6. Step 6: Final answer
    x = 448,208.40

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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.