Home / 653,764.26-902,267.73-395,783.36

Finding the Fourth Proportional to 653,764.26, 902,267.73 and 395,783.36

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Solution

The fourth proportional to 653,764.26, 902,267.73 and 395,783.36 is: 546,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,764.26 : 902,267.73 = 395,783.36 : x
  2. Step 2: Convert to fraction form
    653,764.26/902,267.73 = 395,783.36/x
  3. Step 3: Cross multiply
    653,764.26x = 902,267.73 × 395,783.36
  4. Step 4: Simplify right side
    653,764.26x = 357,102,553,798.97
  5. Step 5: Solve for x
    x = 357,102,553,798.97/653,764.26
  6. Step 6: Final answer
    x = 546,225.26

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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.