Home / 948,947.87-1,309,546.64-519,227.89

Finding the Fourth Proportional to 948,947.87, 1,309,546.64 and 519,227.89

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Solution

The fourth proportional to 948,947.87, 1,309,546.64 and 519,227.89 is: 716,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,947.87 : 1,309,546.64 = 519,227.89 : x
  2. Step 2: Convert to fraction form
    948,947.87/1,309,546.64 = 519,227.89/x
  3. Step 3: Cross multiply
    948,947.87x = 1,309,546.64 × 519,227.89
  4. Step 4: Simplify right side
    948,947.87x = 679,953,136,767.99
  5. Step 5: Solve for x
    x = 679,953,136,767.99/948,947.87
  6. Step 6: Final answer
    x = 716,533.71

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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.