Home / 586,977.72-809,610.03-538,736.15

Finding the Fourth Proportional to 586,977.72, 809,610.03 and 538,736.15

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Solution

The fourth proportional to 586,977.72, 809,610.03 and 538,736.15 is: 743,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,977.72 : 809,610.03 = 538,736.15 : x
  2. Step 2: Convert to fraction form
    586,977.72/809,610.03 = 538,736.15/x
  3. Step 3: Cross multiply
    586,977.72x = 809,610.03 × 538,736.15
  4. Step 4: Simplify right side
    586,977.72x = 436,166,190,563.59
  5. Step 5: Solve for x
    x = 436,166,190,563.59/586,977.72
  6. Step 6: Final answer
    x = 743,071.12

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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.