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Finding the Fourth Proportional to 432,235.54, 595,930.45 and 354,424.48

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Solution

The fourth proportional to 432,235.54, 595,930.45 and 354,424.48 is: 488,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,235.54 : 595,930.45 = 354,424.48 : x
  2. Step 2: Convert to fraction form
    432,235.54/595,930.45 = 354,424.48/x
  3. Step 3: Cross multiply
    432,235.54x = 595,930.45 × 354,424.48
  4. Step 4: Simplify right side
    432,235.54x = 211,212,338,690.07
  5. Step 5: Solve for x
    x = 211,212,338,690.07/432,235.54
  6. Step 6: Final answer
    x = 488,651.02

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1.5x scale

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.