Home / 979,524.81-1,351,778.07-543,949.47

Finding the Fourth Proportional to 979,524.81, 1,351,778.07 and 543,949.47

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Solution

The fourth proportional to 979,524.81, 1,351,778.07 and 543,949.47 is: 750,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,524.81 : 1,351,778.07 = 543,949.47 : x
  2. Step 2: Convert to fraction form
    979,524.81/1,351,778.07 = 543,949.47/x
  3. Step 3: Cross multiply
    979,524.81x = 1,351,778.07 × 543,949.47
  4. Step 4: Simplify right side
    979,524.81x = 735,298,964,734.12
  5. Step 5: Solve for x
    x = 735,298,964,734.12/979,524.81
  6. Step 6: Final answer
    x = 750,669.06

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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.