Home / 728,964.19-1,005,076.86-599,450.05

Finding the Fourth Proportional to 728,964.19, 1,005,076.86 and 599,450.05

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Solution

The fourth proportional to 728,964.19, 1,005,076.86 and 599,450.05 is: 826,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,964.19 : 1,005,076.86 = 599,450.05 : x
  2. Step 2: Convert to fraction form
    728,964.19/1,005,076.86 = 599,450.05/x
  3. Step 3: Cross multiply
    728,964.19x = 1,005,076.86 × 599,450.05
  4. Step 4: Simplify right side
    728,964.19x = 602,493,373,980.84
  5. Step 5: Solve for x
    x = 602,493,373,980.84/728,964.19
  6. Step 6: Final answer
    x = 826,506.13

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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.