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Finding the Fourth Proportional to 637,941.88, 880,349.46 and 347,556.91

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Solution

The fourth proportional to 637,941.88, 880,349.46 and 347,556.91 is: 479,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,941.88 : 880,349.46 = 347,556.91 : x
  2. Step 2: Convert to fraction form
    637,941.88/880,349.46 = 347,556.91/x
  3. Step 3: Cross multiply
    637,941.88x = 880,349.46 × 347,556.91
  4. Step 4: Simplify right side
    637,941.88x = 305,971,538,037.77
  5. Step 5: Solve for x
    x = 305,971,538,037.77/637,941.88
  6. Step 6: Final answer
    x = 479,622.91

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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.