Home / 837,990.82-1,257,490.59-305,557.30

Finding the Fourth Proportional to 837,990.82, 1,257,490.59 and 305,557.30

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Solution

The fourth proportional to 837,990.82, 1,257,490.59 and 305,557.30 is: 458,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,990.82 : 1,257,490.59 = 305,557.30 : x
  2. Step 2: Convert to fraction form
    837,990.82/1,257,490.59 = 305,557.30/x
  3. Step 3: Cross multiply
    837,990.82x = 1,257,490.59 × 305,557.30
  4. Step 4: Simplify right side
    837,990.82x = 384,235,429,455.81
  5. Step 5: Solve for x
    x = 384,235,429,455.81/837,990.82
  6. Step 6: Final answer
    x = 458,519.86

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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.