Home / 851,096.68-1,276,677.42-318,561.64

Finding the Fourth Proportional to 851,096.68, 1,276,677.42 and 318,561.64

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Solution

The fourth proportional to 851,096.68, 1,276,677.42 and 318,561.64 is: 477,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,096.68 : 1,276,677.42 = 318,561.64 : x
  2. Step 2: Convert to fraction form
    851,096.68/1,276,677.42 = 318,561.64/x
  3. Step 3: Cross multiply
    851,096.68x = 1,276,677.42 × 318,561.64
  4. Step 4: Simplify right side
    851,096.68x = 406,700,452,666.17
  5. Step 5: Solve for x
    x = 406,700,452,666.17/851,096.68
  6. Step 6: Final answer
    x = 477,854.59

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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.