Home / 851,472.08-1,173,810.54-669,868.66

Finding the Fourth Proportional to 851,472.08, 1,173,810.54 and 669,868.66

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Solution

The fourth proportional to 851,472.08, 1,173,810.54 and 669,868.66 is: 923,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,472.08 : 1,173,810.54 = 669,868.66 : x
  2. Step 2: Convert to fraction form
    851,472.08/1,173,810.54 = 669,868.66/x
  3. Step 3: Cross multiply
    851,472.08x = 1,173,810.54 × 669,868.66
  4. Step 4: Simplify right side
    851,472.08x = 786,298,893,523.68
  5. Step 5: Solve for x
    x = 786,298,893,523.68/851,472.08
  6. Step 6: Final answer
    x = 923,458.22

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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.