Home / 783,929.30-1,074,779.38-769,757.54

Finding the Fourth Proportional to 783,929.30, 1,074,779.38 and 769,757.54

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Solution

The fourth proportional to 783,929.30, 1,074,779.38 and 769,757.54 is: 1,055,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,929.30 : 1,074,779.38 = 769,757.54 : x
  2. Step 2: Convert to fraction form
    783,929.30/1,074,779.38 = 769,757.54/x
  3. Step 3: Cross multiply
    783,929.30x = 1,074,779.38 × 769,757.54
  4. Step 4: Simplify right side
    783,929.30x = 827,319,531,591.53
  5. Step 5: Solve for x
    x = 827,319,531,591.53/783,929.30
  6. Step 6: Final answer
    x = 1,055,349.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.