Home / 936,511.35-1,292,385.67-506,791.48

Finding the Fourth Proportional to 936,511.35, 1,292,385.67 and 506,791.48

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Solution

The fourth proportional to 936,511.35, 1,292,385.67 and 506,791.48 is: 699,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,511.35 : 1,292,385.67 = 506,791.48 : x
  2. Step 2: Convert to fraction form
    936,511.35/1,292,385.67 = 506,791.48/x
  3. Step 3: Cross multiply
    936,511.35x = 1,292,385.67 × 506,791.48
  4. Step 4: Simplify right side
    936,511.35x = 654,970,046,430.09
  5. Step 5: Solve for x
    x = 654,970,046,430.09/936,511.35
  6. Step 6: Final answer
    x = 699,372.25

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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.