Home / 540,140.36-745,383.30-298,433.48

Finding the Fourth Proportional to 540,140.36, 745,383.30 and 298,433.48

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Solution

The fourth proportional to 540,140.36, 745,383.30 and 298,433.48 is: 411,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,140.36 : 745,383.30 = 298,433.48 : x
  2. Step 2: Convert to fraction form
    540,140.36/745,383.30 = 298,433.48/x
  3. Step 3: Cross multiply
    540,140.36x = 745,383.30 × 298,433.48
  4. Step 4: Simplify right side
    540,140.36x = 222,447,332,152.88
  5. Step 5: Solve for x
    x = 222,447,332,152.88/540,140.36
  6. Step 6: Final answer
    x = 411,832.46

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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.