Home / 851,136.40-1,277,110.14-531,201.52

Finding the Fourth Proportional to 851,136.40, 1,277,110.14 and 531,201.52

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Solution

The fourth proportional to 851,136.40, 1,277,110.14 and 531,201.52 is: 797,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,136.40 : 1,277,110.14 = 531,201.52 : x
  2. Step 2: Convert to fraction form
    851,136.40/1,277,110.14 = 531,201.52/x
  3. Step 3: Cross multiply
    851,136.40x = 1,277,110.14 × 531,201.52
  4. Step 4: Simplify right side
    851,136.40x = 678,402,847,575.41
  5. Step 5: Solve for x
    x = 678,402,847,575.41/851,136.40
  6. Step 6: Final answer
    x = 797,055.38

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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.