Home / 842,821.74-1,264,042.98-243,649.44

Finding the Fourth Proportional to 842,821.74, 1,264,042.98 and 243,649.44

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Solution

The fourth proportional to 842,821.74, 1,264,042.98 and 243,649.44 is: 365,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,821.74 : 1,264,042.98 = 243,649.44 : x
  2. Step 2: Convert to fraction form
    842,821.74/1,264,042.98 = 243,649.44/x
  3. Step 3: Cross multiply
    842,821.74x = 1,264,042.98 × 243,649.44
  4. Step 4: Simplify right side
    842,821.74x = 307,983,364,212.93
  5. Step 5: Solve for x
    x = 307,983,364,212.93/842,821.74
  6. Step 6: Final answer
    x = 365,419.34

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1.5x scale

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.