Home / 948,633.30-1,309,123.44-518,904

Finding the Fourth Proportional to 948,633.30, 1,309,123.44 and 518,904

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Solution

The fourth proportional to 948,633.30, 1,309,123.44 and 518,904 is: 716,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,633.30 : 1,309,123.44 = 518,904 : x
  2. Step 2: Convert to fraction form
    948,633.30/1,309,123.44 = 518,904/x
  3. Step 3: Cross multiply
    948,633.30x = 1,309,123.44 × 518,904
  4. Step 4: Simplify right side
    948,633.30x = 679,309,389,509.76
  5. Step 5: Solve for x
    x = 679,309,389,509.76/948,633.30
  6. Step 6: Final answer
    x = 716,092.71

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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.