Home / 628,933.84-867,917.46-342,448.72

Finding the Fourth Proportional to 628,933.84, 867,917.46 and 342,448.72

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Solution

The fourth proportional to 628,933.84, 867,917.46 and 342,448.72 is: 472,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,933.84 : 867,917.46 = 342,448.72 : x
  2. Step 2: Convert to fraction form
    628,933.84/867,917.46 = 342,448.72/x
  3. Step 3: Cross multiply
    628,933.84x = 867,917.46 × 342,448.72
  4. Step 4: Simplify right side
    628,933.84x = 297,217,223,242.65
  5. Step 5: Solve for x
    x = 297,217,223,242.65/628,933.84
  6. Step 6: Final answer
    x = 472,573.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.