Home / 874,810.83-1,309,252.55-538,065.12

Finding the Fourth Proportional to 874,810.83, 1,309,252.55 and 538,065.12

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Solution

The fourth proportional to 874,810.83, 1,309,252.55 and 538,065.12 is: 805,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,810.83 : 1,309,252.55 = 538,065.12 : x
  2. Step 2: Convert to fraction form
    874,810.83/1,309,252.55 = 538,065.12/x
  3. Step 3: Cross multiply
    874,810.83x = 1,309,252.55 × 538,065.12
  4. Step 4: Simplify right side
    874,810.83x = 704,463,127,735.73
  5. Step 5: Solve for x
    x = 704,463,127,735.73/874,810.83
  6. Step 6: Final answer
    x = 805,274.81

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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.