Home / 905,569.47-1,358,400.72-231,656.61

Finding the Fourth Proportional to 905,569.47, 1,358,400.72 and 231,656.61

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Solution

The fourth proportional to 905,569.47, 1,358,400.72 and 231,656.61 is: 347,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,569.47 : 1,358,400.72 = 231,656.61 : x
  2. Step 2: Convert to fraction form
    905,569.47/1,358,400.72 = 231,656.61/x
  3. Step 3: Cross multiply
    905,569.47x = 1,358,400.72 × 231,656.61
  4. Step 4: Simplify right side
    905,569.47x = 314,682,502,509.65
  5. Step 5: Solve for x
    x = 314,682,502,509.65/905,569.47
  6. Step 6: Final answer
    x = 347,496.81

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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.