Home / 457,270.75-631,032.42-253,322.07

Finding the Fourth Proportional to 457,270.75, 631,032.42 and 253,322.07

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Solution

The fourth proportional to 457,270.75, 631,032.42 and 253,322.07 is: 349,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,270.75 : 631,032.42 = 253,322.07 : x
  2. Step 2: Convert to fraction form
    457,270.75/631,032.42 = 253,322.07/x
  3. Step 3: Cross multiply
    457,270.75x = 631,032.42 × 253,322.07
  4. Step 4: Simplify right side
    457,270.75x = 159,854,438,871.51
  5. Step 5: Solve for x
    x = 159,854,438,871.51/457,270.75
  6. Step 6: Final answer
    x = 349,583.78

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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.