Home / 457,742.16-631,684.08-253,792.44

Finding the Fourth Proportional to 457,742.16, 631,684.08 and 253,792.44

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Solution

The fourth proportional to 457,742.16, 631,684.08 and 253,792.44 is: 350,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,742.16 : 631,684.08 = 253,792.44 : x
  2. Step 2: Convert to fraction form
    457,742.16/631,684.08 = 253,792.44/x
  3. Step 3: Cross multiply
    457,742.16x = 631,684.08 × 253,792.44
  4. Step 4: Simplify right side
    457,742.16x = 160,316,643,972.36
  5. Step 5: Solve for x
    x = 160,316,643,972.36/457,742.16
  6. Step 6: Final answer
    x = 350,233.51

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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.