Home / 758,779.82-1,047,604.29-486,964.88

Finding the Fourth Proportional to 758,779.82, 1,047,604.29 and 486,964.88

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Solution

The fourth proportional to 758,779.82, 1,047,604.29 and 486,964.88 is: 672,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,779.82 : 1,047,604.29 = 486,964.88 : x
  2. Step 2: Convert to fraction form
    758,779.82/1,047,604.29 = 486,964.88/x
  3. Step 3: Cross multiply
    758,779.82x = 1,047,604.29 × 486,964.88
  4. Step 4: Simplify right side
    758,779.82x = 510,146,497,367.34
  5. Step 5: Solve for x
    x = 510,146,497,367.34/758,779.82
  6. Step 6: Final answer
    x = 672,324.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.