Home / 478,984.19-661,003.40-264,131.96

Finding the Fourth Proportional to 478,984.19, 661,003.40 and 264,131.96

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Solution

The fourth proportional to 478,984.19, 661,003.40 and 264,131.96 is: 364,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,984.19 : 661,003.40 = 264,131.96 : x
  2. Step 2: Convert to fraction form
    478,984.19/661,003.40 = 264,131.96/x
  3. Step 3: Cross multiply
    478,984.19x = 661,003.40 × 264,131.96
  4. Step 4: Simplify right side
    478,984.19x = 174,592,120,963.98
  5. Step 5: Solve for x
    x = 174,592,120,963.98/478,984.19
  6. Step 6: Final answer
    x = 364,504.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.