Home / 869,710.67-1,304,876.75-528,847.59

Finding the Fourth Proportional to 869,710.67, 1,304,876.75 and 528,847.59

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Solution

The fourth proportional to 869,710.67, 1,304,876.75 and 528,847.59 is: 793,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,710.67 : 1,304,876.75 = 528,847.59 : x
  2. Step 2: Convert to fraction form
    869,710.67/1,304,876.75 = 528,847.59/x
  3. Step 3: Cross multiply
    869,710.67x = 1,304,876.75 × 528,847.59
  4. Step 4: Simplify right side
    869,710.67x = 690,080,923,162.41
  5. Step 5: Solve for x
    x = 690,080,923,162.41/869,710.67
  6. Step 6: Final answer
    x = 793,460.34

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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.