Home / 840,024.45-1,260,200.70-334,499.40

Finding the Fourth Proportional to 840,024.45, 1,260,200.70 and 334,499.40

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Solution

The fourth proportional to 840,024.45, 1,260,200.70 and 334,499.40 is: 501,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,024.45 : 1,260,200.70 = 334,499.40 : x
  2. Step 2: Convert to fraction form
    840,024.45/1,260,200.70 = 334,499.40/x
  3. Step 3: Cross multiply
    840,024.45x = 1,260,200.70 × 334,499.40
  4. Step 4: Simplify right side
    840,024.45x = 421,536,378,029.58
  5. Step 5: Solve for x
    x = 421,536,378,029.58/840,024.45
  6. Step 6: Final answer
    x = 501,814.42

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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.