Home / 736,803.78-1,103,890.83-399,629.35

Finding the Fourth Proportional to 736,803.78, 1,103,890.83 and 399,629.35

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Solution

The fourth proportional to 736,803.78, 1,103,890.83 and 399,629.35 is: 598,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,803.78 : 1,103,890.83 = 399,629.35 : x
  2. Step 2: Convert to fraction form
    736,803.78/1,103,890.83 = 399,629.35/x
  3. Step 3: Cross multiply
    736,803.78x = 1,103,890.83 × 399,629.35
  4. Step 4: Simplify right side
    736,803.78x = 441,147,174,863.86
  5. Step 5: Solve for x
    x = 441,147,174,863.86/736,803.78
  6. Step 6: Final answer
    x = 598,730.88

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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.