Home / 928,505.44-1,390,964.79-684,917.38

Finding the Fourth Proportional to 928,505.44, 1,390,964.79 and 684,917.38

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Solution

The fourth proportional to 928,505.44, 1,390,964.79 and 684,917.38 is: 1,026,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,505.44 : 1,390,964.79 = 684,917.38 : x
  2. Step 2: Convert to fraction form
    928,505.44/1,390,964.79 = 684,917.38/x
  3. Step 3: Cross multiply
    928,505.44x = 1,390,964.79 × 684,917.38
  4. Step 4: Simplify right side
    928,505.44x = 952,695,952,684.23
  5. Step 5: Solve for x
    x = 952,695,952,684.23/928,505.44
  6. Step 6: Final answer
    x = 1,026,053.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.