Home / 947,013.81-1,420,730.61-273,042.51

Finding the Fourth Proportional to 947,013.81, 1,420,730.61 and 273,042.51

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Solution

The fourth proportional to 947,013.81, 1,420,730.61 and 273,042.51 is: 409,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,013.81 : 1,420,730.61 = 273,042.51 : x
  2. Step 2: Convert to fraction form
    947,013.81/1,420,730.61 = 273,042.51/x
  3. Step 3: Cross multiply
    947,013.81x = 1,420,730.61 × 273,042.51
  4. Step 4: Simplify right side
    947,013.81x = 387,919,851,788.23
  5. Step 5: Solve for x
    x = 387,919,851,788.23/947,013.81
  6. Step 6: Final answer
    x = 409,624.28

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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.