Home / 784,791.10-1,082,681.40-493,887.34

Finding the Fourth Proportional to 784,791.10, 1,082,681.40 and 493,887.34

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Solution

The fourth proportional to 784,791.10, 1,082,681.40 and 493,887.34 is: 681,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,791.10 : 1,082,681.40 = 493,887.34 : x
  2. Step 2: Convert to fraction form
    784,791.10/1,082,681.40 = 493,887.34/x
  3. Step 3: Cross multiply
    784,791.10x = 1,082,681.40 × 493,887.34
  4. Step 4: Simplify right side
    784,791.10x = 534,722,636,713.48
  5. Step 5: Solve for x
    x = 534,722,636,713.48/784,791.10
  6. Step 6: Final answer
    x = 681,356.65

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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.