Home / 936,918.83-1,292,947.72-507,198.65

Finding the Fourth Proportional to 936,918.83, 1,292,947.72 and 507,198.65

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Solution

The fourth proportional to 936,918.83, 1,292,947.72 and 507,198.65 is: 699,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,918.83 : 1,292,947.72 = 507,198.65 : x
  2. Step 2: Convert to fraction form
    936,918.83/1,292,947.72 = 507,198.65/x
  3. Step 3: Cross multiply
    936,918.83x = 1,292,947.72 × 507,198.65
  4. Step 4: Simplify right side
    936,918.83x = 655,781,330,371.84
  5. Step 5: Solve for x
    x = 655,781,330,371.84/936,918.83
  6. Step 6: Final answer
    x = 699,933.98

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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.