Home / 841,885.88-1,263,327.04-309,780.56

Finding the Fourth Proportional to 841,885.88, 1,263,327.04 and 309,780.56

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Solution

The fourth proportional to 841,885.88, 1,263,327.04 and 309,780.56 is: 464,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,885.88 : 1,263,327.04 = 309,780.56 : x
  2. Step 2: Convert to fraction form
    841,885.88/1,263,327.04 = 309,780.56/x
  3. Step 3: Cross multiply
    841,885.88x = 1,263,327.04 × 309,780.56
  4. Step 4: Simplify right side
    841,885.88x = 391,354,157,914.34
  5. Step 5: Solve for x
    x = 391,354,157,914.34/841,885.88
  6. Step 6: Final answer
    x = 464,854.17

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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.