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Finding the Fourth Proportional to 637,288.56, 879,483.33 and 350,835.30

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Solution

The fourth proportional to 637,288.56, 879,483.33 and 350,835.30 is: 484,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,288.56 : 879,483.33 = 350,835.30 : x
  2. Step 2: Convert to fraction form
    637,288.56/879,483.33 = 350,835.30/x
  3. Step 3: Cross multiply
    637,288.56x = 879,483.33 × 350,835.30
  4. Step 4: Simplify right side
    637,288.56x = 308,553,797,925.55
  5. Step 5: Solve for x
    x = 308,553,797,925.55/637,288.56
  6. Step 6: Final answer
    x = 484,166.54

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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.