Home / 766,510.48-1,149,905-261,045.52

Finding the Fourth Proportional to 766,510.48, 1,149,905 and 261,045.52

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Solution

The fourth proportional to 766,510.48, 1,149,905 and 261,045.52 is: 391,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,510.48 : 1,149,905 = 261,045.52 : x
  2. Step 2: Convert to fraction form
    766,510.48/1,149,905 = 261,045.52/x
  3. Step 3: Cross multiply
    766,510.48x = 1,149,905 × 261,045.52
  4. Step 4: Simplify right side
    766,510.48x = 300,177,548,675.60
  5. Step 5: Solve for x
    x = 300,177,548,675.60/766,510.48
  6. Step 6: Final answer
    x = 391,615.71

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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.