Home / 672,818.02-1,009,421.84-199,514.76

Finding the Fourth Proportional to 672,818.02, 1,009,421.84 and 199,514.76

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Solution

The fourth proportional to 672,818.02, 1,009,421.84 and 199,514.76 is: 299,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,818.02 : 1,009,421.84 = 199,514.76 : x
  2. Step 2: Convert to fraction form
    672,818.02/1,009,421.84 = 199,514.76/x
  3. Step 3: Cross multiply
    672,818.02x = 1,009,421.84 × 199,514.76
  4. Step 4: Simplify right side
    672,818.02x = 201,394,556,146.36
  5. Step 5: Solve for x
    x = 201,394,556,146.36/672,818.02
  6. Step 6: Final answer
    x = 299,329.91

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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.