Home / 712,106.34-1,067,421.20-445,254.27

Finding the Fourth Proportional to 712,106.34, 1,067,421.20 and 445,254.27

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Solution

The fourth proportional to 712,106.34, 1,067,421.20 and 445,254.27 is: 667,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,106.34 : 1,067,421.20 = 445,254.27 : x
  2. Step 2: Convert to fraction form
    712,106.34/1,067,421.20 = 445,254.27/x
  3. Step 3: Cross multiply
    712,106.34x = 1,067,421.20 × 445,254.27
  4. Step 4: Simplify right side
    712,106.34x = 475,273,844,962.25
  5. Step 5: Solve for x
    x = 475,273,844,962.25/712,106.34
  6. Step 6: Final answer
    x = 667,419.76

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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.