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Finding the Fourth Proportional to 478,873.37, 718,310.04 and 454,927.77

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Solution

The fourth proportional to 478,873.37, 718,310.04 and 454,927.77 is: 682,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,873.37 : 718,310.04 = 454,927.77 : x
  2. Step 2: Convert to fraction form
    478,873.37/718,310.04 = 454,927.77/x
  3. Step 3: Cross multiply
    478,873.37x = 718,310.04 × 454,927.77
  4. Step 4: Simplify right side
    478,873.37x = 326,779,181,074.26
  5. Step 5: Solve for x
    x = 326,779,181,074.26/478,873.37
  6. Step 6: Final answer
    x = 682,391.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.