Home / 497,927.19-685,478.46-475,049.55

Finding the Fourth Proportional to 497,927.19, 685,478.46 and 475,049.55

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Solution

The fourth proportional to 497,927.19, 685,478.46 and 475,049.55 is: 653,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,927.19 : 685,478.46 = 475,049.55 : x
  2. Step 2: Convert to fraction form
    497,927.19/685,478.46 = 475,049.55/x
  3. Step 3: Cross multiply
    497,927.19x = 685,478.46 × 475,049.55
  4. Step 4: Simplify right side
    497,927.19x = 325,636,233,957.69
  5. Step 5: Solve for x
    x = 325,636,233,957.69/497,927.19
  6. Step 6: Final answer
    x = 653,983.64

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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.