Home / 574,719.39-793,137.36-320,070.58

Finding the Fourth Proportional to 574,719.39, 793,137.36 and 320,070.58

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Solution

The fourth proportional to 574,719.39, 793,137.36 and 320,070.58 is: 441,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,719.39 : 793,137.36 = 320,070.58 : x
  2. Step 2: Convert to fraction form
    574,719.39/793,137.36 = 320,070.58/x
  3. Step 3: Cross multiply
    574,719.39x = 793,137.36 × 320,070.58
  4. Step 4: Simplify right side
    574,719.39x = 253,859,930,869.18
  5. Step 5: Solve for x
    x = 253,859,930,869.18/574,719.39
  6. Step 6: Final answer
    x = 441,711.09

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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.