Home / 916,676.40-1,265,165.64-534,703.44

Finding the Fourth Proportional to 916,676.40, 1,265,165.64 and 534,703.44

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Solution

The fourth proportional to 916,676.40, 1,265,165.64 and 534,703.44 is: 737,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,676.40 : 1,265,165.64 = 534,703.44 : x
  2. Step 2: Convert to fraction form
    916,676.40/1,265,165.64 = 534,703.44/x
  3. Step 3: Cross multiply
    916,676.40x = 1,265,165.64 × 534,703.44
  4. Step 4: Simplify right side
    916,676.40x = 676,488,419,877.80
  5. Step 5: Solve for x
    x = 676,488,419,877.80/916,676.40
  6. Step 6: Final answer
    x = 737,979.53

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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.