Home / 653,722.12-902,175.06-492,292.36

Finding the Fourth Proportional to 653,722.12, 902,175.06 and 492,292.36

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Solution

The fourth proportional to 653,722.12, 902,175.06 and 492,292.36 is: 679,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,722.12 : 902,175.06 = 492,292.36 : x
  2. Step 2: Convert to fraction form
    653,722.12/902,175.06 = 492,292.36/x
  3. Step 3: Cross multiply
    653,722.12x = 902,175.06 × 492,292.36
  4. Step 4: Simplify right side
    653,722.12x = 444,133,889,420.54
  5. Step 5: Solve for x
    x = 444,133,889,420.54/653,722.12
  6. Step 6: Final answer
    x = 679,392.48

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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.