Home / 653,726.12-902,180.60-492,296.36

Finding the Fourth Proportional to 653,726.12, 902,180.60 and 492,296.36

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Solution

The fourth proportional to 653,726.12, 902,180.60 and 492,296.36 is: 679,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,726.12 : 902,180.60 = 492,296.36 : x
  2. Step 2: Convert to fraction form
    653,726.12/902,180.60 = 492,296.36/x
  3. Step 3: Cross multiply
    653,726.12x = 902,180.60 × 492,296.36
  4. Step 4: Simplify right side
    653,726.12x = 444,140,225,442.62
  5. Step 5: Solve for x
    x = 444,140,225,442.62/653,726.12
  6. Step 6: Final answer
    x = 679,398.01

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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.