Home / 501,840.24-692,370.60-320,658.08

Finding the Fourth Proportional to 501,840.24, 692,370.60 and 320,658.08

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Solution

The fourth proportional to 501,840.24, 692,370.60 and 320,658.08 is: 442,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,840.24 : 692,370.60 = 320,658.08 : x
  2. Step 2: Convert to fraction form
    501,840.24/692,370.60 = 320,658.08/x
  3. Step 3: Cross multiply
    501,840.24x = 692,370.60 × 320,658.08
  4. Step 4: Simplify right side
    501,840.24x = 222,014,227,244.45
  5. Step 5: Solve for x
    x = 222,014,227,244.45/501,840.24
  6. Step 6: Final answer
    x = 442,400.21

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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.