Home / 824,854.36-1,138,371.06-480,672.28

Finding the Fourth Proportional to 824,854.36, 1,138,371.06 and 480,672.28

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Solution

The fourth proportional to 824,854.36, 1,138,371.06 and 480,672.28 is: 663,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,854.36 : 1,138,371.06 = 480,672.28 : x
  2. Step 2: Convert to fraction form
    824,854.36/1,138,371.06 = 480,672.28/x
  3. Step 3: Cross multiply
    824,854.36x = 1,138,371.06 × 480,672.28
  4. Step 4: Simplify right side
    824,854.36x = 547,183,412,896.22
  5. Step 5: Solve for x
    x = 547,183,412,896.22/824,854.36
  6. Step 6: Final answer
    x = 663,369.73

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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.