Home / 698,040.80-1,046,936.48-185,708.72

Finding the Fourth Proportional to 698,040.80, 1,046,936.48 and 185,708.72

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Solution

The fourth proportional to 698,040.80, 1,046,936.48 and 185,708.72 is: 278,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,040.80 : 1,046,936.48 = 185,708.72 : x
  2. Step 2: Convert to fraction form
    698,040.80/1,046,936.48 = 185,708.72/x
  3. Step 3: Cross multiply
    698,040.80x = 1,046,936.48 × 185,708.72
  4. Step 4: Simplify right side
    698,040.80x = 194,425,229,421.89
  5. Step 5: Solve for x
    x = 194,425,229,421.89/698,040.80
  6. Step 6: Final answer
    x = 278,529.89

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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.