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Finding the Fourth Proportional to 637,416.92, 879,619.56 and 365,645.72

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Solution

The fourth proportional to 637,416.92, 879,619.56 and 365,645.72 is: 504,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,416.92 : 879,619.56 = 365,645.72 : x
  2. Step 2: Convert to fraction form
    637,416.92/879,619.56 = 365,645.72/x
  3. Step 3: Cross multiply
    637,416.92x = 879,619.56 × 365,645.72
  4. Step 4: Simplify right side
    637,416.92x = 321,629,127,342.28
  5. Step 5: Solve for x
    x = 321,629,127,342.28/637,416.92
  6. Step 6: Final answer
    x = 504,582.04

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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.