Home / 809,348.21-1,116,900.74-446,772.32

Finding the Fourth Proportional to 809,348.21, 1,116,900.74 and 446,772.32

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Solution

The fourth proportional to 809,348.21, 1,116,900.74 and 446,772.32 is: 616,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,348.21 : 1,116,900.74 = 446,772.32 : x
  2. Step 2: Convert to fraction form
    809,348.21/1,116,900.74 = 446,772.32/x
  3. Step 3: Cross multiply
    809,348.21x = 1,116,900.74 × 446,772.32
  4. Step 4: Simplify right side
    809,348.21x = 499,000,327,001.15
  5. Step 5: Solve for x
    x = 499,000,327,001.15/809,348.21
  6. Step 6: Final answer
    x = 616,545.91

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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.