Home / 878,106.49-1,317,250.08-331,459.34

Finding the Fourth Proportional to 878,106.49, 1,317,250.08 and 331,459.34

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Solution

The fourth proportional to 878,106.49, 1,317,250.08 and 331,459.34 is: 497,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,106.49 : 1,317,250.08 = 331,459.34 : x
  2. Step 2: Convert to fraction form
    878,106.49/1,317,250.08 = 331,459.34/x
  3. Step 3: Cross multiply
    878,106.49x = 1,317,250.08 × 331,459.34
  4. Step 4: Simplify right side
    878,106.49x = 436,614,842,131.75
  5. Step 5: Solve for x
    x = 436,614,842,131.75/878,106.49
  6. Step 6: Final answer
    x = 497,223.11

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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.