Home / 323,698.57-446,895.63-287,789.24

Finding the Fourth Proportional to 323,698.57, 446,895.63 and 287,789.24

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Solution

The fourth proportional to 323,698.57, 446,895.63 and 287,789.24 is: 397,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,698.57 : 446,895.63 = 287,789.24 : x
  2. Step 2: Convert to fraction form
    323,698.57/446,895.63 = 287,789.24/x
  3. Step 3: Cross multiply
    323,698.57x = 446,895.63 × 287,789.24
  4. Step 4: Simplify right side
    323,698.57x = 128,611,754,834.26
  5. Step 5: Solve for x
    x = 128,611,754,834.26/323,698.57
  6. Step 6: Final answer
    x = 397,319.51

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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.