Home / 463,056.72-639,117.54-281,827.02

Finding the Fourth Proportional to 463,056.72, 639,117.54 and 281,827.02

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Solution

The fourth proportional to 463,056.72, 639,117.54 and 281,827.02 is: 388,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,056.72 : 639,117.54 = 281,827.02 : x
  2. Step 2: Convert to fraction form
    463,056.72/639,117.54 = 281,827.02/x
  3. Step 3: Cross multiply
    463,056.72x = 639,117.54 × 281,827.02
  4. Step 4: Simplify right side
    463,056.72x = 180,120,591,727.93
  5. Step 5: Solve for x
    x = 180,120,591,727.93/463,056.72
  6. Step 6: Final answer
    x = 388,981.70

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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.