Home / 791,237.36-1,187,042.72-258,756.32

Finding the Fourth Proportional to 791,237.36, 1,187,042.72 and 258,756.32

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Solution

The fourth proportional to 791,237.36, 1,187,042.72 and 258,756.32 is: 388,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,237.36 : 1,187,042.72 = 258,756.32 : x
  2. Step 2: Convert to fraction form
    791,237.36/1,187,042.72 = 258,756.32/x
  3. Step 3: Cross multiply
    791,237.36x = 1,187,042.72 × 258,756.32
  4. Step 4: Simplify right side
    791,237.36x = 307,154,805,909.99
  5. Step 5: Solve for x
    x = 307,154,805,909.99/791,237.36
  6. Step 6: Final answer
    x = 388,195.53

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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.