Home / 969,979.17-1,338,571.65-562,317.36

Finding the Fourth Proportional to 969,979.17, 1,338,571.65 and 562,317.36

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Solution

The fourth proportional to 969,979.17, 1,338,571.65 and 562,317.36 is: 775,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,979.17 : 1,338,571.65 = 562,317.36 : x
  2. Step 2: Convert to fraction form
    969,979.17/1,338,571.65 = 562,317.36/x
  3. Step 3: Cross multiply
    969,979.17x = 1,338,571.65 × 562,317.36
  4. Step 4: Simplify right side
    969,979.17x = 752,702,076,398.84
  5. Step 5: Solve for x
    x = 752,702,076,398.84/969,979.17
  6. Step 6: Final answer
    x = 775,998.19

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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.