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Finding the Fourth Proportional to 497,383.79, 746,260.41 and 345,500.84

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Solution

The fourth proportional to 497,383.79, 746,260.41 and 345,500.84 is: 518,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,383.79 : 746,260.41 = 345,500.84 : x
  2. Step 2: Convert to fraction form
    497,383.79/746,260.41 = 345,500.84/x
  3. Step 3: Cross multiply
    497,383.79x = 746,260.41 × 345,500.84
  4. Step 4: Simplify right side
    497,383.79x = 257,833,598,513.74
  5. Step 5: Solve for x
    x = 257,833,598,513.74/497,383.79
  6. Step 6: Final answer
    x = 518,379.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.