Home / 537,077.31-741,165.75-307,708.80

Finding the Fourth Proportional to 537,077.31, 741,165.75 and 307,708.80

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Solution

The fourth proportional to 537,077.31, 741,165.75 and 307,708.80 is: 424,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,077.31 : 741,165.75 = 307,708.80 : x
  2. Step 2: Convert to fraction form
    537,077.31/741,165.75 = 307,708.80/x
  3. Step 3: Cross multiply
    537,077.31x = 741,165.75 × 307,708.80
  4. Step 4: Simplify right side
    537,077.31x = 228,063,223,533.60
  5. Step 5: Solve for x
    x = 228,063,223,533.60/537,077.31
  6. Step 6: Final answer
    x = 424,637.61

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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.