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Finding the Fourth Proportional to 637,299.79, 879,505.28 and 350,816.83

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Solution

The fourth proportional to 637,299.79, 879,505.28 and 350,816.83 is: 484,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,299.79 : 879,505.28 = 350,816.83 : x
  2. Step 2: Convert to fraction form
    637,299.79/879,505.28 = 350,816.83/x
  3. Step 3: Cross multiply
    637,299.79x = 879,505.28 × 350,816.83
  4. Step 4: Simplify right side
    637,299.79x = 308,545,254,297.86
  5. Step 5: Solve for x
    x = 308,545,254,297.86/637,299.79
  6. Step 6: Final answer
    x = 484,144.60

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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.