Home / 842,506.20-1,263,764.70-337,109.40

Finding the Fourth Proportional to 842,506.20, 1,263,764.70 and 337,109.40

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Solution

The fourth proportional to 842,506.20, 1,263,764.70 and 337,109.40 is: 505,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,506.20 : 1,263,764.70 = 337,109.40 : x
  2. Step 2: Convert to fraction form
    842,506.20/1,263,764.70 = 337,109.40/x
  3. Step 3: Cross multiply
    842,506.20x = 1,263,764.70 × 337,109.40
  4. Step 4: Simplify right side
    842,506.20x = 426,026,959,758.18
  5. Step 5: Solve for x
    x = 426,026,959,758.18/842,506.20
  6. Step 6: Final answer
    x = 505,666.26

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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.