Home / 537,969.82-742,149.12-347,044.72

Finding the Fourth Proportional to 537,969.82, 742,149.12 and 347,044.72

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Solution

The fourth proportional to 537,969.82, 742,149.12 and 347,044.72 is: 478,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,969.82 : 742,149.12 = 347,044.72 : x
  2. Step 2: Convert to fraction form
    537,969.82/742,149.12 = 347,044.72/x
  3. Step 3: Cross multiply
    537,969.82x = 742,149.12 × 347,044.72
  4. Step 4: Simplify right side
    537,969.82x = 257,558,933,548.65
  5. Step 5: Solve for x
    x = 257,558,933,548.65/537,969.82
  6. Step 6: Final answer
    x = 478,760.93

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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.