Home / 880,460.80-1,321,128.60-347,999.20

Finding the Fourth Proportional to 880,460.80, 1,321,128.60 and 347,999.20

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Solution

The fourth proportional to 880,460.80, 1,321,128.60 and 347,999.20 is: 522,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,460.80 : 1,321,128.60 = 347,999.20 : x
  2. Step 2: Convert to fraction form
    880,460.80/1,321,128.60 = 347,999.20/x
  3. Step 3: Cross multiply
    880,460.80x = 1,321,128.60 × 347,999.20
  4. Step 4: Simplify right side
    880,460.80x = 459,751,695,897.12
  5. Step 5: Solve for x
    x = 459,751,695,897.12/880,460.80
  6. Step 6: Final answer
    x = 522,171.68

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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.