Home / 910,780.80-1,365,004.80-699,370.80

Finding the Fourth Proportional to 910,780.80, 1,365,004.80 and 699,370.80

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Solution

The fourth proportional to 910,780.80, 1,365,004.80 and 699,370.80 is: 1,048,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,780.80 : 1,365,004.80 = 699,370.80 : x
  2. Step 2: Convert to fraction form
    910,780.80/1,365,004.80 = 699,370.80/x
  3. Step 3: Cross multiply
    910,780.80x = 1,365,004.80 × 699,370.80
  4. Step 4: Simplify right side
    910,780.80x = 954,644,498,979.84
  5. Step 5: Solve for x
    x = 954,644,498,979.84/910,780.80
  6. Step 6: Final answer
    x = 1,048,160.54

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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.