Home / 897,709.50-1,346,855.85-628,115.58

Finding the Fourth Proportional to 897,709.50, 1,346,855.85 and 628,115.58

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Solution

The fourth proportional to 897,709.50, 1,346,855.85 and 628,115.58 is: 942,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,709.50 : 1,346,855.85 = 628,115.58 : x
  2. Step 2: Convert to fraction form
    897,709.50/1,346,855.85 = 628,115.58/x
  3. Step 3: Cross multiply
    897,709.50x = 1,346,855.85 × 628,115.58
  4. Step 4: Simplify right side
    897,709.50x = 845,981,143,399.14
  5. Step 5: Solve for x
    x = 845,981,143,399.14/897,709.50
  6. Step 6: Final answer
    x = 942,377.40

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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.