Home / 711,946.70-1,067,920.05-446,525.90

Finding the Fourth Proportional to 711,946.70, 1,067,920.05 and 446,525.90

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Solution

The fourth proportional to 711,946.70, 1,067,920.05 and 446,525.90 is: 669,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,946.70 : 1,067,920.05 = 446,525.90 : x
  2. Step 2: Convert to fraction form
    711,946.70/1,067,920.05 = 446,525.90/x
  3. Step 3: Cross multiply
    711,946.70x = 1,067,920.05 × 446,525.90
  4. Step 4: Simplify right side
    711,946.70x = 476,853,961,454.30
  5. Step 5: Solve for x
    x = 476,853,961,454.30/711,946.70
  6. Step 6: Final answer
    x = 669,788.85

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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.