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Finding the Fourth Proportional to 408,904.65, 563,968.71 and 265,710.69

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Solution

The fourth proportional to 408,904.65, 563,968.71 and 265,710.69 is: 366,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,904.65 : 563,968.71 = 265,710.69 : x
  2. Step 2: Convert to fraction form
    408,904.65/563,968.71 = 265,710.69/x
  3. Step 3: Cross multiply
    408,904.65x = 563,968.71 × 265,710.69
  4. Step 4: Simplify right side
    408,904.65x = 149,852,515,072.51
  5. Step 5: Solve for x
    x = 149,852,515,072.51/408,904.65
  6. Step 6: Final answer
    x = 366,473.00

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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.