Home / 775,722.99-1,164,674.34-396,915.36

Finding the Fourth Proportional to 775,722.99, 1,164,674.34 and 396,915.36

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Solution

The fourth proportional to 775,722.99, 1,164,674.34 and 396,915.36 is: 595,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,722.99 : 1,164,674.34 = 396,915.36 : x
  2. Step 2: Convert to fraction form
    775,722.99/1,164,674.34 = 396,915.36/x
  3. Step 3: Cross multiply
    775,722.99x = 1,164,674.34 × 396,915.36
  4. Step 4: Simplify right side
    775,722.99x = 462,277,134,943.86
  5. Step 5: Solve for x
    x = 462,277,134,943.86/775,722.99
  6. Step 6: Final answer
    x = 595,930.69

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Double scale
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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.