Home / 558,865.67-771,190.65-317,148.23

Finding the Fourth Proportional to 558,865.67, 771,190.65 and 317,148.23

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Solution

The fourth proportional to 558,865.67, 771,190.65 and 317,148.23 is: 437,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,865.67 : 771,190.65 = 317,148.23 : x
  2. Step 2: Convert to fraction form
    558,865.67/771,190.65 = 317,148.23/x
  3. Step 3: Cross multiply
    558,865.67x = 771,190.65 × 317,148.23
  4. Step 4: Simplify right side
    558,865.67x = 244,581,751,568.03
  5. Step 5: Solve for x
    x = 244,581,751,568.03/558,865.67
  6. Step 6: Final answer
    x = 437,639.61

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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.