Home / 724,769.82-1,085,732.51-589,978.80

Finding the Fourth Proportional to 724,769.82, 1,085,732.51 and 589,978.80

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Solution

The fourth proportional to 724,769.82, 1,085,732.51 and 589,978.80 is: 883,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,769.82 : 1,085,732.51 = 589,978.80 : x
  2. Step 2: Convert to fraction form
    724,769.82/1,085,732.51 = 589,978.80/x
  3. Step 3: Cross multiply
    724,769.82x = 1,085,732.51 × 589,978.80
  4. Step 4: Simplify right side
    724,769.82x = 640,559,160,420.89
  5. Step 5: Solve for x
    x = 640,559,160,420.89/724,769.82
  6. Step 6: Final answer
    x = 883,810.48

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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.