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Finding the Fourth Proportional to 520,794.84, 780,388.32 and 351,652.32

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Solution

The fourth proportional to 520,794.84, 780,388.32 and 351,652.32 is: 526,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,794.84 : 780,388.32 = 351,652.32 : x
  2. Step 2: Convert to fraction form
    520,794.84/780,388.32 = 351,652.32/x
  3. Step 3: Cross multiply
    520,794.84x = 780,388.32 × 351,652.32
  4. Step 4: Simplify right side
    520,794.84x = 274,425,363,228.90
  5. Step 5: Solve for x
    x = 274,425,363,228.90/520,794.84
  6. Step 6: Final answer
    x = 526,935.64

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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.