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Finding the Fourth Proportional to 675,171.96, 931,699.62 and 369,187.62

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Solution

The fourth proportional to 675,171.96, 931,699.62 and 369,187.62 is: 509,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,171.96 : 931,699.62 = 369,187.62 : x
  2. Step 2: Convert to fraction form
    675,171.96/931,699.62 = 369,187.62/x
  3. Step 3: Cross multiply
    675,171.96x = 931,699.62 × 369,187.62
  4. Step 4: Simplify right side
    675,171.96x = 343,971,965,262.70
  5. Step 5: Solve for x
    x = 343,971,965,262.70/675,171.96
  6. Step 6: Final answer
    x = 509,458.31

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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.