Home / 998,761.40-1,495,031.70-576,783.80

Finding the Fourth Proportional to 998,761.40, 1,495,031.70 and 576,783.80

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Solution

The fourth proportional to 998,761.40, 1,495,031.70 and 576,783.80 is: 863,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,761.40 : 1,495,031.70 = 576,783.80 : x
  2. Step 2: Convert to fraction form
    998,761.40/1,495,031.70 = 576,783.80/x
  3. Step 3: Cross multiply
    998,761.40x = 1,495,031.70 × 576,783.80
  4. Step 4: Simplify right side
    998,761.40x = 862,310,065,046.46
  5. Step 5: Solve for x
    x = 862,310,065,046.46/998,761.40
  6. Step 6: Final answer
    x = 863,379.45

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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.