Home / 856,249.65-1,282,630.55-405,604.53

Finding the Fourth Proportional to 856,249.65, 1,282,630.55 and 405,604.53

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Solution

The fourth proportional to 856,249.65, 1,282,630.55 and 405,604.53 is: 607,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,249.65 : 1,282,630.55 = 405,604.53 : x
  2. Step 2: Convert to fraction form
    856,249.65/1,282,630.55 = 405,604.53/x
  3. Step 3: Cross multiply
    856,249.65x = 1,282,630.55 × 405,604.53
  4. Step 4: Simplify right side
    856,249.65x = 520,240,759,368.37
  5. Step 5: Solve for x
    x = 520,240,759,368.37/856,249.65
  6. Step 6: Final answer
    x = 607,580.70

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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.