Home / 945,881.96-1,304,867.48-558,437.90

Finding the Fourth Proportional to 945,881.96, 1,304,867.48 and 558,437.90

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Solution

The fourth proportional to 945,881.96, 1,304,867.48 and 558,437.90 is: 770,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,881.96 : 1,304,867.48 = 558,437.90 : x
  2. Step 2: Convert to fraction form
    945,881.96/1,304,867.48 = 558,437.90/x
  3. Step 3: Cross multiply
    945,881.96x = 1,304,867.48 × 558,437.90
  4. Step 4: Simplify right side
    945,881.96x = 728,687,445,992.97
  5. Step 5: Solve for x
    x = 728,687,445,992.97/945,881.96
  6. Step 6: Final answer
    x = 770,378.84

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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.