Home / 729,907.70-1,094,861.55-529,286.90

Finding the Fourth Proportional to 729,907.70, 1,094,861.55 and 529,286.90

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Solution

The fourth proportional to 729,907.70, 1,094,861.55 and 529,286.90 is: 793,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,907.70 : 1,094,861.55 = 529,286.90 : x
  2. Step 2: Convert to fraction form
    729,907.70/1,094,861.55 = 529,286.90/x
  3. Step 3: Cross multiply
    729,907.70x = 1,094,861.55 × 529,286.90
  4. Step 4: Simplify right side
    729,907.70x = 579,495,875,728.70
  5. Step 5: Solve for x
    x = 579,495,875,728.70/729,907.70
  6. Step 6: Final answer
    x = 793,930.35

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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.