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Finding the Fourth Proportional to 601,390.15, 829,918.33 and 359,672.68

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Solution

The fourth proportional to 601,390.15, 829,918.33 and 359,672.68 is: 496,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,390.15 : 829,918.33 = 359,672.68 : x
  2. Step 2: Convert to fraction form
    601,390.15/829,918.33 = 359,672.68/x
  3. Step 3: Cross multiply
    601,390.15x = 829,918.33 × 359,672.68
  4. Step 4: Simplify right side
    601,390.15x = 298,498,949,932.22
  5. Step 5: Solve for x
    x = 298,498,949,932.22/601,390.15
  6. Step 6: Final answer
    x = 496,348.25

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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.