Home / 549,318.33-758,136.09-396,849.80

Finding the Fourth Proportional to 549,318.33, 758,136.09 and 396,849.80

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Solution

The fourth proportional to 549,318.33, 758,136.09 and 396,849.80 is: 547,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,318.33 : 758,136.09 = 396,849.80 : x
  2. Step 2: Convert to fraction form
    549,318.33/758,136.09 = 396,849.80/x
  3. Step 3: Cross multiply
    549,318.33x = 758,136.09 × 396,849.80
  4. Step 4: Simplify right side
    549,318.33x = 300,866,151,898.60
  5. Step 5: Solve for x
    x = 300,866,151,898.60/549,318.33
  6. Step 6: Final answer
    x = 547,708.20

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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.