Home / 670,895.20-1,006,051.20-221,442.40

Finding the Fourth Proportional to 670,895.20, 1,006,051.20 and 221,442.40

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Solution

The fourth proportional to 670,895.20, 1,006,051.20 and 221,442.40 is: 332,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,895.20 : 1,006,051.20 = 221,442.40 : x
  2. Step 2: Convert to fraction form
    670,895.20/1,006,051.20 = 221,442.40/x
  3. Step 3: Cross multiply
    670,895.20x = 1,006,051.20 × 221,442.40
  4. Step 4: Simplify right side
    670,895.20x = 222,782,392,250.88
  5. Step 5: Solve for x
    x = 222,782,392,250.88/670,895.20
  6. Step 6: Final answer
    x = 332,067.35

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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.