Home / 815,613.36-1,125,860.34-543,582

Finding the Fourth Proportional to 815,613.36, 1,125,860.34 and 543,582

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Solution

The fourth proportional to 815,613.36, 1,125,860.34 and 543,582 is: 750,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,613.36 : 1,125,860.34 = 543,582 : x
  2. Step 2: Convert to fraction form
    815,613.36/1,125,860.34 = 543,582/x
  3. Step 3: Cross multiply
    815,613.36x = 1,125,860.34 × 543,582
  4. Step 4: Simplify right side
    815,613.36x = 611,997,415,337.88
  5. Step 5: Solve for x
    x = 611,997,415,337.88/815,613.36
  6. Step 6: Final answer
    x = 750,352.37

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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.