Home / 947,013.49-1,420,730.13-273,042.21

Finding the Fourth Proportional to 947,013.49, 1,420,730.13 and 273,042.21

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Solution

The fourth proportional to 947,013.49, 1,420,730.13 and 273,042.21 is: 409,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,013.49 : 1,420,730.13 = 273,042.21 : x
  2. Step 2: Convert to fraction form
    947,013.49/1,420,730.13 = 273,042.21/x
  3. Step 3: Cross multiply
    947,013.49x = 1,420,730.13 × 273,042.21
  4. Step 4: Simplify right side
    947,013.49x = 387,919,294,508.79
  5. Step 5: Solve for x
    x = 387,919,294,508.79/947,013.49
  6. Step 6: Final answer
    x = 409,623.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.