Home / 873,146.76-1,204,933.86-485,955.72

Finding the Fourth Proportional to 873,146.76, 1,204,933.86 and 485,955.72

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Solution

The fourth proportional to 873,146.76, 1,204,933.86 and 485,955.72 is: 670,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,146.76 : 1,204,933.86 = 485,955.72 : x
  2. Step 2: Convert to fraction form
    873,146.76/1,204,933.86 = 485,955.72/x
  3. Step 3: Cross multiply
    873,146.76x = 1,204,933.86 × 485,955.72
  4. Step 4: Simplify right side
    873,146.76x = 585,544,501,488.68
  5. Step 5: Solve for x
    x = 585,544,501,488.68/873,146.76
  6. Step 6: Final answer
    x = 670,614.07

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1.5x scale

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.