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Finding the Fourth Proportional to 675,300.44, 931,002.64 and 433,162.65

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Solution

The fourth proportional to 675,300.44, 931,002.64 and 433,162.65 is: 597,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,300.44 : 931,002.64 = 433,162.65 : x
  2. Step 2: Convert to fraction form
    675,300.44/931,002.64 = 433,162.65/x
  3. Step 3: Cross multiply
    675,300.44x = 931,002.64 × 433,162.65
  4. Step 4: Simplify right side
    675,300.44x = 403,275,570,699.40
  5. Step 5: Solve for x
    x = 403,275,570,699.40/675,300.44
  6. Step 6: Final answer
    x = 597,179.49

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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.