Home / 825,076.70-1,138,617.51-502,800.38

Finding the Fourth Proportional to 825,076.70, 1,138,617.51 and 502,800.38

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Solution

The fourth proportional to 825,076.70, 1,138,617.51 and 502,800.38 is: 693,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,076.70 : 1,138,617.51 = 502,800.38 : x
  2. Step 2: Convert to fraction form
    825,076.70/1,138,617.51 = 502,800.38/x
  3. Step 3: Cross multiply
    825,076.70x = 1,138,617.51 × 502,800.38
  4. Step 4: Simplify right side
    825,076.70x = 572,497,316,702.65
  5. Step 5: Solve for x
    x = 572,497,316,702.65/825,076.70
  6. Step 6: Final answer
    x = 693,871.63

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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.