Home / 851,204.31-1,277,182.53-446,299.71

Finding the Fourth Proportional to 851,204.31, 1,277,182.53 and 446,299.71

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Solution

The fourth proportional to 851,204.31, 1,277,182.53 and 446,299.71 is: 669,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,204.31 : 1,277,182.53 = 446,299.71 : x
  2. Step 2: Convert to fraction form
    851,204.31/1,277,182.53 = 446,299.71/x
  3. Step 3: Cross multiply
    851,204.31x = 1,277,182.53 × 446,299.71
  4. Step 4: Simplify right side
    851,204.31x = 570,006,192,756.07
  5. Step 5: Solve for x
    x = 570,006,192,756.07/851,204.31
  6. Step 6: Final answer
    x = 669,646.74

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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.