Home / 727,864.66-1,004,439.66-405,567.88

Finding the Fourth Proportional to 727,864.66, 1,004,439.66 and 405,567.88

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Solution

The fourth proportional to 727,864.66, 1,004,439.66 and 405,567.88 is: 559,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,864.66 : 1,004,439.66 = 405,567.88 : x
  2. Step 2: Convert to fraction form
    727,864.66/1,004,439.66 = 405,567.88/x
  3. Step 3: Cross multiply
    727,864.66x = 1,004,439.66 × 405,567.88
  4. Step 4: Simplify right side
    727,864.66x = 407,368,463,494.12
  5. Step 5: Solve for x
    x = 407,368,463,494.12/727,864.66
  6. Step 6: Final answer
    x = 559,676.11

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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.