Home / 851,330.05-1,276,999.62-252,296.40

Finding the Fourth Proportional to 851,330.05, 1,276,999.62 and 252,296.40

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Solution

The fourth proportional to 851,330.05, 1,276,999.62 and 252,296.40 is: 378,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,330.05 : 1,276,999.62 = 252,296.40 : x
  2. Step 2: Convert to fraction form
    851,330.05/1,276,999.62 = 252,296.40/x
  3. Step 3: Cross multiply
    851,330.05x = 1,276,999.62 × 252,296.40
  4. Step 4: Simplify right side
    851,330.05x = 322,182,406,927.37
  5. Step 5: Solve for x
    x = 322,182,406,927.37/851,330.05
  6. Step 6: Final answer
    x = 378,445.95

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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.