Home / 634,705.96-952,062.18-213,985.48

Finding the Fourth Proportional to 634,705.96, 952,062.18 and 213,985.48

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Solution

The fourth proportional to 634,705.96, 952,062.18 and 213,985.48 is: 320,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,705.96 : 952,062.18 = 213,985.48 : x
  2. Step 2: Convert to fraction form
    634,705.96/952,062.18 = 213,985.48/x
  3. Step 3: Cross multiply
    634,705.96x = 952,062.18 × 213,985.48
  4. Step 4: Simplify right side
    634,705.96x = 203,727,482,577.15
  5. Step 5: Solve for x
    x = 203,727,482,577.15/634,705.96
  6. Step 6: Final answer
    x = 320,979.31

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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.