Home / 786,277.72-1,179,079.62-365,509.72

Finding the Fourth Proportional to 786,277.72, 1,179,079.62 and 365,509.72

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Solution

The fourth proportional to 786,277.72, 1,179,079.62 and 365,509.72 is: 548,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,277.72 : 1,179,079.62 = 365,509.72 : x
  2. Step 2: Convert to fraction form
    786,277.72/1,179,079.62 = 365,509.72/x
  3. Step 3: Cross multiply
    786,277.72x = 1,179,079.62 × 365,509.72
  4. Step 4: Simplify right side
    786,277.72x = 430,965,061,763.91
  5. Step 5: Solve for x
    x = 430,965,061,763.91/786,277.72
  6. Step 6: Final answer
    x = 548,107.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.