Home / 558,912.27-771,296.73-313,863.03

Finding the Fourth Proportional to 558,912.27, 771,296.73 and 313,863.03

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Solution

The fourth proportional to 558,912.27, 771,296.73 and 313,863.03 is: 433,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,912.27 : 771,296.73 = 313,863.03 : x
  2. Step 2: Convert to fraction form
    558,912.27/771,296.73 = 313,863.03/x
  3. Step 3: Cross multiply
    558,912.27x = 771,296.73 × 313,863.03
  4. Step 4: Simplify right side
    558,912.27x = 242,081,528,706.89
  5. Step 5: Solve for x
    x = 242,081,528,706.89/558,912.27
  6. Step 6: Final answer
    x = 433,129.74

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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.