Home / 979,519.29-1,351,662.50-549,716.40

Finding the Fourth Proportional to 979,519.29, 1,351,662.50 and 549,716.40

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Solution

The fourth proportional to 979,519.29, 1,351,662.50 and 549,716.40 is: 758,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,519.29 : 1,351,662.50 = 549,716.40 : x
  2. Step 2: Convert to fraction form
    979,519.29/1,351,662.50 = 549,716.40/x
  3. Step 3: Cross multiply
    979,519.29x = 1,351,662.50 × 549,716.40
  4. Step 4: Simplify right side
    979,519.29x = 743,031,040,766.42
  5. Step 5: Solve for x
    x = 743,031,040,766.42/979,519.29
  6. Step 6: Final answer
    x = 758,567.03

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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.