Home / 638,255.20-957,382.80-524,093.80

Finding the Fourth Proportional to 638,255.20, 957,382.80 and 524,093.80

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Solution

The fourth proportional to 638,255.20, 957,382.80 and 524,093.80 is: 786,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,255.20 : 957,382.80 = 524,093.80 : x
  2. Step 2: Convert to fraction form
    638,255.20/957,382.80 = 524,093.80/x
  3. Step 3: Cross multiply
    638,255.20x = 957,382.80 × 524,093.80
  4. Step 4: Simplify right side
    638,255.20x = 501,758,389,706.64
  5. Step 5: Solve for x
    x = 501,758,389,706.64/638,255.20
  6. Step 6: Final answer
    x = 786,140.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.