Home / 662,086.20-993,539.70-346,769.40

Finding the Fourth Proportional to 662,086.20, 993,539.70 and 346,769.40

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Solution

The fourth proportional to 662,086.20, 993,539.70 and 346,769.40 is: 520,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,086.20 : 993,539.70 = 346,769.40 : x
  2. Step 2: Convert to fraction form
    662,086.20/993,539.70 = 346,769.40/x
  3. Step 3: Cross multiply
    662,086.20x = 993,539.70 × 346,769.40
  4. Step 4: Simplify right side
    662,086.20x = 344,529,165,645.18
  5. Step 5: Solve for x
    x = 344,529,165,645.18/662,086.20
  6. Step 6: Final answer
    x = 520,369.05

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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.