Home / 553,023.05-762,764.33-417,062.72

Finding the Fourth Proportional to 553,023.05, 762,764.33 and 417,062.72

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Solution

The fourth proportional to 553,023.05, 762,764.33 and 417,062.72 is: 575,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,023.05 : 762,764.33 = 417,062.72 : x
  2. Step 2: Convert to fraction form
    553,023.05/762,764.33 = 417,062.72/x
  3. Step 3: Cross multiply
    553,023.05x = 762,764.33 × 417,062.72
  4. Step 4: Simplify right side
    553,023.05x = 318,120,560,289.64
  5. Step 5: Solve for x
    x = 318,120,560,289.64/553,023.05
  6. Step 6: Final answer
    x = 575,239.25

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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.