Home / 984,645.78-1,358,810.10-531,936.78

Finding the Fourth Proportional to 984,645.78, 1,358,810.10 and 531,936.78

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Solution

The fourth proportional to 984,645.78, 1,358,810.10 and 531,936.78 is: 734,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,645.78 : 1,358,810.10 = 531,936.78 : x
  2. Step 2: Convert to fraction form
    984,645.78/1,358,810.10 = 531,936.78/x
  3. Step 3: Cross multiply
    984,645.78x = 1,358,810.10 × 531,936.78
  4. Step 4: Simplify right side
    984,645.78x = 722,801,069,225.48
  5. Step 5: Solve for x
    x = 722,801,069,225.48/984,645.78
  6. Step 6: Final answer
    x = 734,072.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.