Home / 778,947.36-1,074,274.41-506,917.36

Finding the Fourth Proportional to 778,947.36, 1,074,274.41 and 506,917.36

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Solution

The fourth proportional to 778,947.36, 1,074,274.41 and 506,917.36 is: 699,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,947.36 : 1,074,274.41 = 506,917.36 : x
  2. Step 2: Convert to fraction form
    778,947.36/1,074,274.41 = 506,917.36/x
  3. Step 3: Cross multiply
    778,947.36x = 1,074,274.41 × 506,917.36
  4. Step 4: Simplify right side
    778,947.36x = 544,568,347,832.76
  5. Step 5: Solve for x
    x = 544,568,347,832.76/778,947.36
  6. Step 6: Final answer
    x = 699,108.02

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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.