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Finding the Fourth Proportional to 536,579.79, 804,894.12 and 379,509.45

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Solution

The fourth proportional to 536,579.79, 804,894.12 and 379,509.45 is: 569,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,579.79 : 804,894.12 = 379,509.45 : x
  2. Step 2: Convert to fraction form
    536,579.79/804,894.12 = 379,509.45/x
  3. Step 3: Cross multiply
    536,579.79x = 804,894.12 × 379,509.45
  4. Step 4: Simplify right side
    536,579.79x = 305,464,924,789.43
  5. Step 5: Solve for x
    x = 305,464,924,789.43/536,579.79
  6. Step 6: Final answer
    x = 569,281.46

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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.