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Finding the Fourth Proportional to 637,506.73, 879,778.64 and 351,037.07

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Solution

The fourth proportional to 637,506.73, 879,778.64 and 351,037.07 is: 484,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,506.73 : 879,778.64 = 351,037.07 : x
  2. Step 2: Convert to fraction form
    637,506.73/879,778.64 = 351,037.07/x
  3. Step 3: Cross multiply
    637,506.73x = 879,778.64 × 351,037.07
  4. Step 4: Simplify right side
    637,506.73x = 308,834,914,279.00
  5. Step 5: Solve for x
    x = 308,834,914,279.00/637,506.73
  6. Step 6: Final answer
    x = 484,441.81

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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.