Home / 727,616.46-1,004,045.58-405,319.65

Finding the Fourth Proportional to 727,616.46, 1,004,045.58 and 405,319.65

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Solution

The fourth proportional to 727,616.46, 1,004,045.58 and 405,319.65 is: 559,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,616.46 : 1,004,045.58 = 405,319.65 : x
  2. Step 2: Convert to fraction form
    727,616.46/1,004,045.58 = 405,319.65/x
  3. Step 3: Cross multiply
    727,616.46x = 1,004,045.58 × 405,319.65
  4. Step 4: Simplify right side
    727,616.46x = 406,959,403,069.65
  5. Step 5: Solve for x
    x = 406,959,403,069.65/727,616.46
  6. Step 6: Final answer
    x = 559,304.83

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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.