Home / 872,424.20-1,308,636.48-273,385.24

Finding the Fourth Proportional to 872,424.20, 1,308,636.48 and 273,385.24

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Solution

The fourth proportional to 872,424.20, 1,308,636.48 and 273,385.24 is: 410,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,424.20 : 1,308,636.48 = 273,385.24 : x
  2. Step 2: Convert to fraction form
    872,424.20/1,308,636.48 = 273,385.24/x
  3. Step 3: Cross multiply
    872,424.20x = 1,308,636.48 × 273,385.24
  4. Step 4: Simplify right side
    872,424.20x = 357,761,898,157.56
  5. Step 5: Solve for x
    x = 357,761,898,157.56/872,424.20
  6. Step 6: Final answer
    x = 410,077.92

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Double scale
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1.5x scale

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.