Home / 851,135.40-1,277,108.64-531,200.52

Finding the Fourth Proportional to 851,135.40, 1,277,108.64 and 531,200.52

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Solution

The fourth proportional to 851,135.40, 1,277,108.64 and 531,200.52 is: 797,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,135.40 : 1,277,108.64 = 531,200.52 : x
  2. Step 2: Convert to fraction form
    851,135.40/1,277,108.64 = 531,200.52/x
  3. Step 3: Cross multiply
    851,135.40x = 1,277,108.64 × 531,200.52
  4. Step 4: Simplify right side
    851,135.40x = 678,400,773,664.49
  5. Step 5: Solve for x
    x = 678,400,773,664.49/851,135.40
  6. Step 6: Final answer
    x = 797,053.88

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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.