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Finding the Fourth Proportional to 637,650.40, 955,425.74 and 445,544.32

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Solution

The fourth proportional to 637,650.40, 955,425.74 and 445,544.32 is: 667,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,650.40 : 955,425.74 = 445,544.32 : x
  2. Step 2: Convert to fraction form
    637,650.40/955,425.74 = 445,544.32/x
  3. Step 3: Cross multiply
    637,650.40x = 955,425.74 × 445,544.32
  4. Step 4: Simplify right side
    637,650.40x = 425,684,511,638.80
  5. Step 5: Solve for x
    x = 425,684,511,638.80/637,650.40
  6. Step 6: Final answer
    x = 667,582.91

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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.