Home / 855,183.83-1,282,775.74-455,618.93

Finding the Fourth Proportional to 855,183.83, 1,282,775.74 and 455,618.93

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Solution

The fourth proportional to 855,183.83, 1,282,775.74 and 455,618.93 is: 683,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,183.83 : 1,282,775.74 = 455,618.93 : x
  2. Step 2: Convert to fraction form
    855,183.83/1,282,775.74 = 455,618.93/x
  3. Step 3: Cross multiply
    855,183.83x = 1,282,775.74 × 455,618.93
  4. Step 4: Simplify right side
    855,183.83x = 584,456,902,535.83
  5. Step 5: Solve for x
    x = 584,456,902,535.83/855,183.83
  6. Step 6: Final answer
    x = 683,428.39

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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.