Home / 549,018.14-823,669.19-321,505.89

Finding the Fourth Proportional to 549,018.14, 823,669.19 and 321,505.89

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Solution

The fourth proportional to 549,018.14, 823,669.19 and 321,505.89 is: 482,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,018.14 : 823,669.19 = 321,505.89 : x
  2. Step 2: Convert to fraction form
    549,018.14/823,669.19 = 321,505.89/x
  3. Step 3: Cross multiply
    549,018.14x = 823,669.19 × 321,505.89
  4. Step 4: Simplify right side
    549,018.14x = 264,814,494,389.00
  5. Step 5: Solve for x
    x = 264,814,494,389.00/549,018.14
  6. Step 6: Final answer
    x = 482,341.98

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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.