Home / 638,180.20-957,270.30-549,533.80

Finding the Fourth Proportional to 638,180.20, 957,270.30 and 549,533.80

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Solution

The fourth proportional to 638,180.20, 957,270.30 and 549,533.80 is: 824,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,180.20 : 957,270.30 = 549,533.80 : x
  2. Step 2: Convert to fraction form
    638,180.20/957,270.30 = 549,533.80/x
  3. Step 3: Cross multiply
    638,180.20x = 957,270.30 × 549,533.80
  4. Step 4: Simplify right side
    638,180.20x = 526,052,385,586.14
  5. Step 5: Solve for x
    x = 526,052,385,586.14/638,180.20
  6. Step 6: Final answer
    x = 824,300.70

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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.