Home / 956,711.72-1,320,318.88-548,810.56

Finding the Fourth Proportional to 956,711.72, 1,320,318.88 and 548,810.56

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Solution

The fourth proportional to 956,711.72, 1,320,318.88 and 548,810.56 is: 757,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,711.72 : 1,320,318.88 = 548,810.56 : x
  2. Step 2: Convert to fraction form
    956,711.72/1,320,318.88 = 548,810.56/x
  3. Step 3: Cross multiply
    956,711.72x = 1,320,318.88 × 548,810.56
  4. Step 4: Simplify right side
    956,711.72x = 724,604,943,911.37
  5. Step 5: Solve for x
    x = 724,604,943,911.37/956,711.72
  6. Step 6: Final answer
    x = 757,391.10

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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.