Home / 824,955.30-1,138,419.36-480,769.29

Finding the Fourth Proportional to 824,955.30, 1,138,419.36 and 480,769.29

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Solution

The fourth proportional to 824,955.30, 1,138,419.36 and 480,769.29 is: 663,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,955.30 : 1,138,419.36 = 480,769.29 : x
  2. Step 2: Convert to fraction form
    824,955.30/1,138,419.36 = 480,769.29/x
  3. Step 3: Cross multiply
    824,955.30x = 1,138,419.36 × 480,769.29
  4. Step 4: Simplify right side
    824,955.30x = 547,317,067,429.45
  5. Step 5: Solve for x
    x = 547,317,067,429.45/824,955.30
  6. Step 6: Final answer
    x = 663,450.57

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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.