Home / 457,448.77-631,262.36-263,864.49

Finding the Fourth Proportional to 457,448.77, 631,262.36 and 263,864.49

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Solution

The fourth proportional to 457,448.77, 631,262.36 and 263,864.49 is: 364,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,448.77 : 631,262.36 = 263,864.49 : x
  2. Step 2: Convert to fraction form
    457,448.77/631,262.36 = 263,864.49/x
  3. Step 3: Cross multiply
    457,448.77x = 631,262.36 × 263,864.49
  4. Step 4: Simplify right side
    457,448.77x = 166,567,718,970.02
  5. Step 5: Solve for x
    x = 166,567,718,970.02/457,448.77
  6. Step 6: Final answer
    x = 364,123.22

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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.