Home / 877,402.89-1,316,131.15-301,018.09

Finding the Fourth Proportional to 877,402.89, 1,316,131.15 and 301,018.09

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Solution

The fourth proportional to 877,402.89, 1,316,131.15 and 301,018.09 is: 451,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,402.89 : 1,316,131.15 = 301,018.09 : x
  2. Step 2: Convert to fraction form
    877,402.89/1,316,131.15 = 301,018.09/x
  3. Step 3: Cross multiply
    877,402.89x = 1,316,131.15 × 301,018.09
  4. Step 4: Simplify right side
    877,402.89x = 396,179,280,167.09
  5. Step 5: Solve for x
    x = 396,179,280,167.09/877,402.89
  6. Step 6: Final answer
    x = 451,536.33

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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.