Home / 762,049.45-1,051,743.21-486,525.03

Finding the Fourth Proportional to 762,049.45, 1,051,743.21 and 486,525.03

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Solution

The fourth proportional to 762,049.45, 1,051,743.21 and 486,525.03 is: 671,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,049.45 : 1,051,743.21 = 486,525.03 : x
  2. Step 2: Convert to fraction form
    762,049.45/1,051,743.21 = 486,525.03/x
  3. Step 3: Cross multiply
    762,049.45x = 1,051,743.21 × 486,525.03
  4. Step 4: Simplify right side
    762,049.45x = 511,699,391,029.04
  5. Step 5: Solve for x
    x = 511,699,391,029.04/762,049.45
  6. Step 6: Final answer
    x = 671,477.93

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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.