Home / 638,242.20-957,363.30-524,080.80

Finding the Fourth Proportional to 638,242.20, 957,363.30 and 524,080.80

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Solution

The fourth proportional to 638,242.20, 957,363.30 and 524,080.80 is: 786,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,242.20 : 957,363.30 = 524,080.80 : x
  2. Step 2: Convert to fraction form
    638,242.20/957,363.30 = 524,080.80/x
  3. Step 3: Cross multiply
    638,242.20x = 957,363.30 × 524,080.80
  4. Step 4: Simplify right side
    638,242.20x = 501,735,724,154.64
  5. Step 5: Solve for x
    x = 501,735,724,154.64/638,242.20
  6. Step 6: Final answer
    x = 786,121.20

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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.