Home / 785,475.72-1,083,889.92-441,284.65

Finding the Fourth Proportional to 785,475.72, 1,083,889.92 and 441,284.65

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Solution

The fourth proportional to 785,475.72, 1,083,889.92 and 441,284.65 is: 608,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,475.72 : 1,083,889.92 = 441,284.65 : x
  2. Step 2: Convert to fraction form
    785,475.72/1,083,889.92 = 441,284.65/x
  3. Step 3: Cross multiply
    785,475.72x = 1,083,889.92 × 441,284.65
  4. Step 4: Simplify right side
    785,475.72x = 478,303,983,985.73
  5. Step 5: Solve for x
    x = 478,303,983,985.73/785,475.72
  6. Step 6: Final answer
    x = 608,935.42

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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.