Home / 965,285.60-1,449,310.80-545,381.60

Finding the Fourth Proportional to 965,285.60, 1,449,310.80 and 545,381.60

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Solution

The fourth proportional to 965,285.60, 1,449,310.80 and 545,381.60 is: 818,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,285.60 : 1,449,310.80 = 545,381.60 : x
  2. Step 2: Convert to fraction form
    965,285.60/1,449,310.80 = 545,381.60/x
  3. Step 3: Cross multiply
    965,285.60x = 1,449,310.80 × 545,381.60
  4. Step 4: Simplify right side
    965,285.60x = 790,427,443,001.28
  5. Step 5: Solve for x
    x = 790,427,443,001.28/965,285.60
  6. Step 6: Final answer
    x = 818,853.45

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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.