Home / 945,804.59-1,304,869.28-728,079.86

Finding the Fourth Proportional to 945,804.59, 1,304,869.28 and 728,079.86

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Solution

The fourth proportional to 945,804.59, 1,304,869.28 and 728,079.86 is: 1,004,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,804.59 : 1,304,869.28 = 728,079.86 : x
  2. Step 2: Convert to fraction form
    945,804.59/1,304,869.28 = 728,079.86/x
  3. Step 3: Cross multiply
    945,804.59x = 1,304,869.28 × 728,079.86
  4. Step 4: Simplify right side
    945,804.59x = 950,049,032,535.96
  5. Step 5: Solve for x
    x = 950,049,032,535.96/945,804.59
  6. Step 6: Final answer
    x = 1,004,487.65

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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.